18905040

素因数分解:

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

素因数の和:79

約数の個数: 360

約数和(自身を含む): 82328064

約数和(自身を除く): 63423024

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 20, 21, 22, 24, 28, 30, 31, 33, 35, 36, 40, 42, 44, 45, 48, 55, 56, 60, 62, 63, 66, 70, 72, 77, 80, 84, 88, 90, 93, 99, 105, 110, 112, 120, 121, 124, 126, 132, 140, 144, 154, 155, 165, 168, 176, 180, 186, 198, 210, 217, 220, 231, 240, 242, 248, 252, 264, 279, 280, 308, 310, 315, 330, 336, 341, 360, 363, 372, 385, 396, 420, 434, 440, 462, 465, 484, 495, 496, 504, 528, 558, 560, 605, 616, 620, 630, 651, 660, 682, 693, 720, 726, 744, 770, 792, 840, 847, 868, 880, 924, 930, 968, 990, 1008, 1023, 1085, 1089, 1116, 1155, 1210, 1232, 1240, 1260, 1302, 1320, 1364, 1386, 1395, 1452, 1488, 1540, 1584, 1680, 1694, 1705, 1736, 1815, 1848, 1860, 1936, 1953, 1980, 2046, 2170, 2178, 2232, 2310, 2387, 2420, 2480, 2520, 2541, 2604, 2640, 2728, 2772, 2790, 2904, 3069, 3080, 3255, 3388, 3410, 3465, 3472, 3630, 3696, 3720, 3751, 3906, 3960, 4092, 4235, 4340, 4356, 4464, 4620, 4774, 4840, 5040, 5082, 5115, 5208, 5445, 5456, 5544, 5580, 5808, 6138, 6160, 6510, 6776, 6820, 6930, 7161, 7260, 7440, 7502, 7623, 7812, 7920, 8184, 8470, 8680, 8712, 9240, 9548, 9680, 9765, 10164, 10230, 10416, 10890, 11088, 11160, 11253, 11935, 12276, 12705, 13020, 13552, 13640, 13860, 14322, 14520, 15004, 15246, 15345, 15624, 16368, 16940, 17360, 17424, 18480, 18755, 19096, 19530, 20328, 20460, 21483, 21780, 22320, 22506, 23870, 24552, 25410, 26040, 26257, 27280, 27720, 28644, 29040, 30008, 30492, 30690, 31248, 33759, 33880, 35805, 37510, 38115, 38192, 39060, 40656, 40920, 42966, 43560, 45012, 47740, 49104, 50820, 52080, 52514, 55440, 56265, 57288, 60016, 60984, 61380, 67518, 67760, 71610, 75020, 76230, 78120, 78771, 81840, 85932, 87120, 90024, 95480, 101640, 105028, 107415, 112530, 114576, 121968, 122760, 131285, 135036, 143220, 150040, 152460, 156240, 157542, 168795, 171864, 180048, 190960, 203280, 210056, 214830, 225060, 236313, 245520, 262570, 270072, 286440, 300080, 304920, 315084, 337590, 343728, 393855, 420112, 429660, 450120, 472626, 525140, 540144, 572880, 609840, 630168, 675180, 787710, 859320, 900240, 945252, 1050280, 1181565, 1260336, 1350360, 1575420, 1718640, 1890504, 2100560, 2363130, 2700720, 3150840, 3781008, 4726260, 6301680, 9452520, 18905040]

約数ペア:

[(1, 18905040), (2, 9452520), (3, 6301680), (4, 4726260), (5, 3781008), (6, 3150840), (7, 2700720), (8, 2363130), (9, 2100560), (10, 1890504), (11, 1718640), (12, 1575420), (14, 1350360), (15, 1260336), (16, 1181565), (18, 1050280), (20, 945252), (21, 900240), (22, 859320), (24, 787710), (28, 675180), (30, 630168), (31, 609840), (33, 572880), (35, 540144), (36, 525140), (40, 472626), (42, 450120), (44, 429660), (45, 420112), (48, 393855), (55, 343728), (56, 337590), (60, 315084), (62, 304920), (63, 300080), (66, 286440), (70, 270072), (72, 262570), (77, 245520), (80, 236313), (84, 225060), (88, 214830), (90, 210056), (93, 203280), (99, 190960), (105, 180048), (110, 171864), (112, 168795), (120, 157542), (121, 156240), (124, 152460), (126, 150040), (132, 143220), (140, 135036), (144, 131285), (154, 122760), (155, 121968), (165, 114576), (168, 112530), (176, 107415), (180, 105028), (186, 101640), (198, 95480), (210, 90024), (217, 87120), (220, 85932), (231, 81840), (240, 78771), (242, 78120), (248, 76230), (252, 75020), (264, 71610), (279, 67760), (280, 67518), (308, 61380), (310, 60984), (315, 60016), (330, 57288), (336, 56265), (341, 55440), (360, 52514), (363, 52080), (372, 50820), (385, 49104), (396, 47740), (420, 45012), (434, 43560), (440, 42966), (462, 40920), (465, 40656), (484, 39060), (495, 38192), (496, 38115), (504, 37510), (528, 35805), (558, 33880), (560, 33759), (605, 31248), (616, 30690), (620, 30492), (630, 30008), (651, 29040), (660, 28644), (682, 27720), (693, 27280), (720, 26257), (726, 26040), (744, 25410), (770, 24552), (792, 23870), (840, 22506), (847, 22320), (868, 21780), (880, 21483), (924, 20460), (930, 20328), (968, 19530), (990, 19096), (1008, 18755), (1023, 18480), (1085, 17424), (1089, 17360), (1116, 16940), (1155, 16368), (1210, 15624), (1232, 15345), (1240, 15246), (1260, 15004), (1302, 14520), (1320, 14322), (1364, 13860), (1386, 13640), (1395, 13552), (1452, 13020), (1488, 12705), (1540, 12276), (1584, 11935), (1680, 11253), (1694, 11160), (1705, 11088), (1736, 10890), (1815, 10416), (1848, 10230), (1860, 10164), (1936, 9765), (1953, 9680), (1980, 9548), (2046, 9240), (2170, 8712), (2178, 8680), (2232, 8470), (2310, 8184), (2387, 7920), (2420, 7812), (2480, 7623), (2520, 7502), (2541, 7440), (2604, 7260), (2640, 7161), (2728, 6930), (2772, 6820), (2790, 6776), (2904, 6510), (3069, 6160), (3080, 6138), (3255, 5808), (3388, 5580), (3410, 5544), (3465, 5456), (3472, 5445), (3630, 5208), (3696, 5115), (3720, 5082), (3751, 5040), (3906, 4840), (3960, 4774), (4092, 4620), (4235, 4464), (4340, 4356)]