31043880

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:248

約数の個数: 192

約数和(自身を含む): 117411840

約数和(自身を除く): 86367960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 97, 105, 120, 126, 127, 140, 168, 180, 194, 210, 252, 254, 280, 291, 315, 360, 381, 388, 420, 485, 504, 508, 582, 630, 635, 679, 762, 776, 840, 873, 889, 970, 1016, 1143, 1164, 1260, 1270, 1358, 1455, 1524, 1746, 1778, 1905, 1940, 2037, 2286, 2328, 2520, 2540, 2667, 2716, 2910, 3048, 3395, 3492, 3556, 3810, 3880, 4074, 4365, 4445, 4572, 5080, 5334, 5432, 5715, 5820, 6111, 6790, 6984, 7112, 7620, 8001, 8148, 8730, 8890, 9144, 10185, 10668, 11430, 11640, 12222, 12319, 13335, 13580, 15240, 16002, 16296, 17460, 17780, 20370, 21336, 22860, 24444, 24638, 26670, 27160, 30555, 32004, 34920, 35560, 36957, 40005, 40740, 45720, 48888, 49276, 53340, 61110, 61595, 64008, 73914, 80010, 81480, 86233, 98552, 106680, 110871, 122220, 123190, 147828, 160020, 172466, 184785, 221742, 244440, 246380, 258699, 295656, 320040, 344932, 369570, 431165, 443484, 492760, 517398, 554355, 689864, 739140, 776097, 862330, 886968, 1034796, 1108710, 1293495, 1478280, 1552194, 1724660, 2069592, 2217420, 2586990, 3104388, 3449320, 3880485, 4434840, 5173980, 6208776, 7760970, 10347960, 15521940, 31043880]

約数ペア:

[(1, 31043880), (2, 15521940), (3, 10347960), (4, 7760970), (5, 6208776), (6, 5173980), (7, 4434840), (8, 3880485), (9, 3449320), (10, 3104388), (12, 2586990), (14, 2217420), (15, 2069592), (18, 1724660), (20, 1552194), (21, 1478280), (24, 1293495), (28, 1108710), (30, 1034796), (35, 886968), (36, 862330), (40, 776097), (42, 739140), (45, 689864), (56, 554355), (60, 517398), (63, 492760), (70, 443484), (72, 431165), (84, 369570), (90, 344932), (97, 320040), (105, 295656), (120, 258699), (126, 246380), (127, 244440), (140, 221742), (168, 184785), (180, 172466), (194, 160020), (210, 147828), (252, 123190), (254, 122220), (280, 110871), (291, 106680), (315, 98552), (360, 86233), (381, 81480), (388, 80010), (420, 73914), (485, 64008), (504, 61595), (508, 61110), (582, 53340), (630, 49276), (635, 48888), (679, 45720), (762, 40740), (776, 40005), (840, 36957), (873, 35560), (889, 34920), (970, 32004), (1016, 30555), (1143, 27160), (1164, 26670), (1260, 24638), (1270, 24444), (1358, 22860), (1455, 21336), (1524, 20370), (1746, 17780), (1778, 17460), (1905, 16296), (1940, 16002), (2037, 15240), (2286, 13580), (2328, 13335), (2520, 12319), (2540, 12222), (2667, 11640), (2716, 11430), (2910, 10668), (3048, 10185), (3395, 9144), (3492, 8890), (3556, 8730), (3810, 8148), (3880, 8001), (4074, 7620), (4365, 7112), (4445, 6984), (4572, 6790), (5080, 6111), (5334, 5820), (5432, 5715)]