51531480

素因数分解:

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

素因数の和:72

約数の個数: 432

約数和(自身を含む): 227813040

約数和(自身を除く): 176281560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 18, 20, 21, 22, 24, 26, 28, 30, 33, 35, 36, 39, 40, 42, 44, 45, 52, 55, 56, 60, 63, 65, 66, 70, 72, 77, 78, 84, 88, 90, 91, 99, 104, 105, 110, 117, 120, 121, 126, 130, 132, 140, 143, 154, 156, 165, 168, 169, 180, 182, 195, 198, 210, 220, 231, 234, 242, 252, 260, 264, 273, 280, 286, 308, 312, 315, 330, 338, 360, 363, 364, 385, 390, 396, 420, 429, 440, 455, 462, 468, 484, 495, 504, 507, 520, 546, 572, 585, 605, 616, 630, 660, 676, 693, 715, 726, 728, 770, 780, 792, 819, 840, 845, 847, 858, 910, 924, 936, 968, 990, 1001, 1014, 1089, 1092, 1144, 1155, 1170, 1183, 1210, 1260, 1287, 1320, 1352, 1365, 1386, 1430, 1452, 1521, 1540, 1560, 1573, 1638, 1690, 1694, 1716, 1815, 1820, 1848, 1859, 1980, 2002, 2028, 2145, 2178, 2184, 2310, 2340, 2366, 2420, 2520, 2535, 2541, 2574, 2730, 2772, 2860, 2904, 3003, 3042, 3080, 3146, 3276, 3380, 3388, 3432, 3465, 3549, 3630, 3640, 3718, 3960, 4004, 4056, 4095, 4235, 4290, 4356, 4620, 4680, 4719, 4732, 4840, 5005, 5070, 5082, 5148, 5445, 5460, 5544, 5577, 5720, 5915, 6006, 6084, 6292, 6435, 6552, 6760, 6776, 6930, 7098, 7260, 7436, 7605, 7623, 7865, 8008, 8190, 8470, 8580, 8712, 9009, 9240, 9295, 9438, 9464, 10010, 10140, 10164, 10296, 10647, 10890, 10920, 11011, 11154, 11830, 12012, 12168, 12584, 12705, 12870, 13013, 13860, 14157, 14196, 14520, 14872, 15015, 15210, 15246, 15730, 16380, 16731, 16940, 17160, 17745, 18018, 18590, 18876, 20020, 20280, 20328, 20449, 21294, 21780, 22022, 22308, 23595, 23660, 24024, 25410, 25740, 26026, 27720, 27885, 28314, 28392, 30030, 30420, 30492, 31460, 32760, 33033, 33462, 33880, 35490, 36036, 37180, 37752, 38115, 39039, 40040, 40898, 42588, 43560, 44044, 44616, 45045, 47190, 47320, 50820, 51480, 52052, 53235, 55055, 55770, 56628, 60060, 60840, 60984, 61347, 62920, 65065, 66066, 66924, 70785, 70980, 72072, 74360, 76230, 78078, 81796, 83655, 85176, 88088, 90090, 94380, 99099, 101640, 102245, 104104, 106470, 110110, 111540, 113256, 117117, 120120, 122694, 130130, 132132, 133848, 141570, 141960, 143143, 152460, 156156, 163592, 165165, 167310, 180180, 184041, 188760, 195195, 198198, 204490, 212940, 220220, 223080, 234234, 245388, 260260, 264264, 283140, 286286, 304920, 306735, 312312, 330330, 334620, 360360, 368082, 390390, 396396, 408980, 425880, 429429, 440440, 468468, 490776, 495495, 520520, 566280, 572572, 585585, 613470, 660660, 669240, 715715, 736164, 780780, 792792, 817960, 858858, 920205, 936936, 990990, 1145144, 1171170, 1226940, 1288287, 1321320, 1431430, 1472328, 1561560, 1717716, 1840410, 1981980, 2147145, 2342340, 2453880, 2576574, 2862860, 3435432, 3680820, 3963960, 4294290, 4684680, 5153148, 5725720, 6441435, 7361640, 8588580, 10306296, 12882870, 17177160, 25765740, 51531480]

約数ペア:

[(1, 51531480), (2, 25765740), (3, 17177160), (4, 12882870), (5, 10306296), (6, 8588580), (7, 7361640), (8, 6441435), (9, 5725720), (10, 5153148), (11, 4684680), (12, 4294290), (13, 3963960), (14, 3680820), (15, 3435432), (18, 2862860), (20, 2576574), (21, 2453880), (22, 2342340), (24, 2147145), (26, 1981980), (28, 1840410), (30, 1717716), (33, 1561560), (35, 1472328), (36, 1431430), (39, 1321320), (40, 1288287), (42, 1226940), (44, 1171170), (45, 1145144), (52, 990990), (55, 936936), (56, 920205), (60, 858858), (63, 817960), (65, 792792), (66, 780780), (70, 736164), (72, 715715), (77, 669240), (78, 660660), (84, 613470), (88, 585585), (90, 572572), (91, 566280), (99, 520520), (104, 495495), (105, 490776), (110, 468468), (117, 440440), (120, 429429), (121, 425880), (126, 408980), (130, 396396), (132, 390390), (140, 368082), (143, 360360), (154, 334620), (156, 330330), (165, 312312), (168, 306735), (169, 304920), (180, 286286), (182, 283140), (195, 264264), (198, 260260), (210, 245388), (220, 234234), (231, 223080), (234, 220220), (242, 212940), (252, 204490), (260, 198198), (264, 195195), (273, 188760), (280, 184041), (286, 180180), (308, 167310), (312, 165165), (315, 163592), (330, 156156), (338, 152460), (360, 143143), (363, 141960), (364, 141570), (385, 133848), (390, 132132), (396, 130130), (420, 122694), (429, 120120), (440, 117117), (455, 113256), (462, 111540), (468, 110110), (484, 106470), (495, 104104), (504, 102245), (507, 101640), (520, 99099), (546, 94380), (572, 90090), (585, 88088), (605, 85176), (616, 83655), (630, 81796), (660, 78078), (676, 76230), (693, 74360), (715, 72072), (726, 70980), (728, 70785), (770, 66924), (780, 66066), (792, 65065), (819, 62920), (840, 61347), (845, 60984), (847, 60840), (858, 60060), (910, 56628), (924, 55770), (936, 55055), (968, 53235), (990, 52052), (1001, 51480), (1014, 50820), (1089, 47320), (1092, 47190), (1144, 45045), (1155, 44616), (1170, 44044), (1183, 43560), (1210, 42588), (1260, 40898), (1287, 40040), (1320, 39039), (1352, 38115), (1365, 37752), (1386, 37180), (1430, 36036), (1452, 35490), (1521, 33880), (1540, 33462), (1560, 33033), (1573, 32760), (1638, 31460), (1690, 30492), (1694, 30420), (1716, 30030), (1815, 28392), (1820, 28314), (1848, 27885), (1859, 27720), (1980, 26026), (2002, 25740), (2028, 25410), (2145, 24024), (2178, 23660), (2184, 23595), (2310, 22308), (2340, 22022), (2366, 21780), (2420, 21294), (2520, 20449), (2535, 20328), (2541, 20280), (2574, 20020), (2730, 18876), (2772, 18590), (2860, 18018), (2904, 17745), (3003, 17160), (3042, 16940), (3080, 16731), (3146, 16380), (3276, 15730), (3380, 15246), (3388, 15210), (3432, 15015), (3465, 14872), (3549, 14520), (3630, 14196), (3640, 14157), (3718, 13860), (3960, 13013), (4004, 12870), (4056, 12705), (4095, 12584), (4235, 12168), (4290, 12012), (4356, 11830), (4620, 11154), (4680, 11011), (4719, 10920), (4732, 10890), (4840, 10647), (5005, 10296), (5070, 10164), (5082, 10140), (5148, 10010), (5445, 9464), (5460, 9438), (5544, 9295), (5577, 9240), (5720, 9009), (5915, 8712), (6006, 8580), (6084, 8470), (6292, 8190), (6435, 8008), (6552, 7865), (6760, 7623), (6776, 7605), (6930, 7436), (7098, 7260)]