81921840

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:89

約数の個数: 480

約数和(自身を含む): 354643968

約数和(自身を除く): 272722128

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 13, 14, 15, 16, 20, 21, 22, 24, 26, 28, 30, 31, 33, 35, 39, 40, 42, 44, 48, 52, 55, 56, 60, 62, 65, 66, 70, 77, 78, 80, 84, 88, 91, 93, 104, 105, 110, 112, 120, 121, 124, 130, 132, 140, 143, 154, 155, 156, 165, 168, 176, 182, 186, 195, 208, 210, 217, 220, 231, 240, 242, 248, 260, 264, 273, 280, 286, 308, 310, 312, 330, 336, 341, 363, 364, 372, 385, 390, 403, 420, 429, 434, 440, 455, 462, 465, 484, 496, 520, 528, 546, 560, 572, 605, 616, 620, 624, 651, 660, 682, 715, 726, 728, 744, 770, 780, 806, 840, 847, 858, 868, 880, 910, 924, 930, 968, 1001, 1023, 1040, 1085, 1092, 1144, 1155, 1209, 1210, 1232, 1240, 1302, 1320, 1364, 1365, 1430, 1452, 1456, 1488, 1540, 1560, 1573, 1612, 1680, 1694, 1705, 1716, 1736, 1815, 1820, 1848, 1860, 1936, 2002, 2015, 2046, 2145, 2170, 2184, 2288, 2310, 2387, 2418, 2420, 2480, 2541, 2604, 2640, 2728, 2730, 2821, 2860, 2904, 3003, 3080, 3120, 3146, 3224, 3255, 3388, 3410, 3432, 3472, 3630, 3640, 3696, 3720, 3751, 4004, 4030, 4092, 4235, 4290, 4340, 4368, 4433, 4620, 4719, 4774, 4836, 4840, 5005, 5082, 5115, 5208, 5456, 5460, 5642, 5720, 5808, 6006, 6045, 6160, 6292, 6448, 6510, 6776, 6820, 6864, 7161, 7260, 7280, 7440, 7502, 7865, 8008, 8060, 8184, 8463, 8470, 8580, 8680, 8866, 9240, 9438, 9548, 9672, 9680, 10010, 10164, 10230, 10416, 10920, 11011, 11253, 11284, 11440, 11935, 12012, 12090, 12584, 12705, 13020, 13299, 13552, 13640, 14105, 14322, 14520, 15004, 15015, 15730, 16016, 16120, 16368, 16926, 16940, 17160, 17360, 17732, 18480, 18755, 18876, 19096, 19344, 20020, 20328, 20460, 21840, 22022, 22165, 22506, 22568, 23595, 23870, 24024, 24180, 25168, 25410, 26040, 26257, 26598, 27280, 28210, 28644, 29040, 30008, 30030, 31031, 31460, 32240, 33033, 33852, 33880, 34320, 35464, 35805, 37510, 37752, 38192, 40040, 40656, 40920, 42315, 44044, 44330, 45012, 45136, 47190, 47740, 48048, 48360, 48763, 50820, 52080, 52514, 53196, 55055, 56265, 56420, 57288, 60016, 60060, 62062, 62920, 66066, 66495, 67704, 67760, 70928, 71610, 75020, 75504, 78771, 80080, 81840, 84630, 88088, 88660, 90024, 93093, 94380, 95480, 96720, 97526, 101640, 105028, 106392, 110110, 112530, 112840, 114576, 120120, 124124, 125840, 131285, 132132, 132990, 135408, 143220, 146289, 150040, 155155, 157542, 165165, 169260, 176176, 177320, 180048, 186186, 188760, 190960, 195052, 203280, 210056, 212784, 220220, 225060, 225680, 240240, 243815, 248248, 262570, 264264, 265980, 286440, 292578, 300080, 310310, 315084, 330330, 338520, 341341, 354640, 372372, 377520, 390104, 393855, 420112, 440440, 450120, 465465, 487630, 496496, 525140, 528528, 531960, 572880, 585156, 620620, 630168, 660660, 677040, 682682, 731445, 744744, 780208, 787710, 880880, 900240, 930930, 975260, 1024023, 1050280, 1063920, 1170312, 1241240, 1260336, 1321320, 1365364, 1462890, 1489488, 1575420, 1706705, 1861860, 1950520, 2048046, 2100560, 2340624, 2482480, 2642640, 2730728, 2925780, 3150840, 3413410, 3723720, 3901040, 4096092, 5120115, 5461456, 5851560, 6301680, 6826820, 7447440, 8192184, 10240230, 11703120, 13653640, 16384368, 20480460, 27307280, 40960920, 81921840]

約数ペア:

[(1, 81921840), (2, 40960920), (3, 27307280), (4, 20480460), (5, 16384368), (6, 13653640), (7, 11703120), (8, 10240230), (10, 8192184), (11, 7447440), (12, 6826820), (13, 6301680), (14, 5851560), (15, 5461456), (16, 5120115), (20, 4096092), (21, 3901040), (22, 3723720), (24, 3413410), (26, 3150840), (28, 2925780), (30, 2730728), (31, 2642640), (33, 2482480), (35, 2340624), (39, 2100560), (40, 2048046), (42, 1950520), (44, 1861860), (48, 1706705), (52, 1575420), (55, 1489488), (56, 1462890), (60, 1365364), (62, 1321320), (65, 1260336), (66, 1241240), (70, 1170312), (77, 1063920), (78, 1050280), (80, 1024023), (84, 975260), (88, 930930), (91, 900240), (93, 880880), (104, 787710), (105, 780208), (110, 744744), (112, 731445), (120, 682682), (121, 677040), (124, 660660), (130, 630168), (132, 620620), (140, 585156), (143, 572880), (154, 531960), (155, 528528), (156, 525140), (165, 496496), (168, 487630), (176, 465465), (182, 450120), (186, 440440), (195, 420112), (208, 393855), (210, 390104), (217, 377520), (220, 372372), (231, 354640), (240, 341341), (242, 338520), (248, 330330), (260, 315084), (264, 310310), (273, 300080), (280, 292578), (286, 286440), (308, 265980), (310, 264264), (312, 262570), (330, 248248), (336, 243815), (341, 240240), (363, 225680), (364, 225060), (372, 220220), (385, 212784), (390, 210056), (403, 203280), (420, 195052), (429, 190960), (434, 188760), (440, 186186), (455, 180048), (462, 177320), (465, 176176), (484, 169260), (496, 165165), (520, 157542), (528, 155155), (546, 150040), (560, 146289), (572, 143220), (605, 135408), (616, 132990), (620, 132132), (624, 131285), (651, 125840), (660, 124124), (682, 120120), (715, 114576), (726, 112840), (728, 112530), (744, 110110), (770, 106392), (780, 105028), (806, 101640), (840, 97526), (847, 96720), (858, 95480), (868, 94380), (880, 93093), (910, 90024), (924, 88660), (930, 88088), (968, 84630), (1001, 81840), (1023, 80080), (1040, 78771), (1085, 75504), (1092, 75020), (1144, 71610), (1155, 70928), (1209, 67760), (1210, 67704), (1232, 66495), (1240, 66066), (1302, 62920), (1320, 62062), (1364, 60060), (1365, 60016), (1430, 57288), (1452, 56420), (1456, 56265), (1488, 55055), (1540, 53196), (1560, 52514), (1573, 52080), (1612, 50820), (1680, 48763), (1694, 48360), (1705, 48048), (1716, 47740), (1736, 47190), (1815, 45136), (1820, 45012), (1848, 44330), (1860, 44044), (1936, 42315), (2002, 40920), (2015, 40656), (2046, 40040), (2145, 38192), (2170, 37752), (2184, 37510), (2288, 35805), (2310, 35464), (2387, 34320), (2418, 33880), (2420, 33852), (2480, 33033), (2541, 32240), (2604, 31460), (2640, 31031), (2728, 30030), (2730, 30008), (2821, 29040), (2860, 28644), (2904, 28210), (3003, 27280), (3080, 26598), (3120, 26257), (3146, 26040), (3224, 25410), (3255, 25168), (3388, 24180), (3410, 24024), (3432, 23870), (3472, 23595), (3630, 22568), (3640, 22506), (3696, 22165), (3720, 22022), (3751, 21840), (4004, 20460), (4030, 20328), (4092, 20020), (4235, 19344), (4290, 19096), (4340, 18876), (4368, 18755), (4433, 18480), (4620, 17732), (4719, 17360), (4774, 17160), (4836, 16940), (4840, 16926), (5005, 16368), (5082, 16120), (5115, 16016), (5208, 15730), (5456, 15015), (5460, 15004), (5642, 14520), (5720, 14322), (5808, 14105), (6006, 13640), (6045, 13552), (6160, 13299), (6292, 13020), (6448, 12705), (6510, 12584), (6776, 12090), (6820, 12012), (6864, 11935), (7161, 11440), (7260, 11284), (7280, 11253), (7440, 11011), (7502, 10920), (7865, 10416), (8008, 10230), (8060, 10164), (8184, 10010), (8463, 9680), (8470, 9672), (8580, 9548), (8680, 9438), (8866, 9240)]