61415760

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{263}}^1$

素因数の和:425

約数の個数: 160

約数和(自身を含む): 219985920

約数和(自身を除く): 158570160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 139, 140, 168, 210, 240, 263, 278, 280, 336, 417, 420, 526, 556, 560, 695, 789, 834, 840, 973, 1052, 1112, 1315, 1390, 1578, 1668, 1680, 1841, 1946, 2085, 2104, 2224, 2630, 2780, 2919, 3156, 3336, 3682, 3892, 3945, 4170, 4208, 4865, 5260, 5523, 5560, 5838, 6312, 6672, 7364, 7784, 7890, 8340, 9205, 9730, 10520, 11046, 11120, 11676, 12624, 14595, 14728, 15568, 15780, 16680, 18410, 19460, 21040, 22092, 23352, 27615, 29190, 29456, 31560, 33360, 36557, 36820, 38920, 44184, 46704, 55230, 58380, 63120, 73114, 73640, 77840, 88368, 109671, 110460, 116760, 146228, 147280, 182785, 219342, 220920, 233520, 255899, 292456, 365570, 438684, 441840, 511798, 548355, 584912, 731140, 767697, 877368, 1023596, 1096710, 1279495, 1462280, 1535394, 1754736, 2047192, 2193420, 2558990, 2924560, 3070788, 3838485, 4094384, 4386840, 5117980, 6141576, 7676970, 8773680, 10235960, 12283152, 15353940, 20471920, 30707880, 61415760]

約数ペア:

[(1, 61415760), (2, 30707880), (3, 20471920), (4, 15353940), (5, 12283152), (6, 10235960), (7, 8773680), (8, 7676970), (10, 6141576), (12, 5117980), (14, 4386840), (15, 4094384), (16, 3838485), (20, 3070788), (21, 2924560), (24, 2558990), (28, 2193420), (30, 2047192), (35, 1754736), (40, 1535394), (42, 1462280), (48, 1279495), (56, 1096710), (60, 1023596), (70, 877368), (80, 767697), (84, 731140), (105, 584912), (112, 548355), (120, 511798), (139, 441840), (140, 438684), (168, 365570), (210, 292456), (240, 255899), (263, 233520), (278, 220920), (280, 219342), (336, 182785), (417, 147280), (420, 146228), (526, 116760), (556, 110460), (560, 109671), (695, 88368), (789, 77840), (834, 73640), (840, 73114), (973, 63120), (1052, 58380), (1112, 55230), (1315, 46704), (1390, 44184), (1578, 38920), (1668, 36820), (1680, 36557), (1841, 33360), (1946, 31560), (2085, 29456), (2104, 29190), (2224, 27615), (2630, 23352), (2780, 22092), (2919, 21040), (3156, 19460), (3336, 18410), (3682, 16680), (3892, 15780), (3945, 15568), (4170, 14728), (4208, 14595), (4865, 12624), (5260, 11676), (5523, 11120), (5560, 11046), (5838, 10520), (6312, 9730), (6672, 9205), (7364, 8340), (7784, 7890)]