31458960

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3361}}^1$

素因数の和:3393

約数の個数: 120

約数和(自身を含む): 113810424

約数和(自身を除く): 82351464

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 180, 195, 208, 234, 240, 260, 312, 360, 390, 468, 520, 585, 624, 720, 780, 936, 1040, 1170, 1560, 1872, 2340, 3120, 3361, 4680, 6722, 9360, 10083, 13444, 16805, 20166, 26888, 30249, 33610, 40332, 43693, 50415, 53776, 60498, 67220, 80664, 87386, 100830, 120996, 131079, 134440, 151245, 161328, 174772, 201660, 218465, 241992, 262158, 268880, 302490, 349544, 393237, 403320, 436930, 483984, 524316, 604980, 655395, 699088, 786474, 806640, 873860, 1048632, 1209960, 1310790, 1572948, 1747720, 1966185, 2097264, 2419920, 2621580, 3145896, 3495440, 3932370, 5243160, 6291792, 7864740, 10486320, 15729480, 31458960]

約数ペア:

[(1, 31458960), (2, 15729480), (3, 10486320), (4, 7864740), (5, 6291792), (6, 5243160), (8, 3932370), (9, 3495440), (10, 3145896), (12, 2621580), (13, 2419920), (15, 2097264), (16, 1966185), (18, 1747720), (20, 1572948), (24, 1310790), (26, 1209960), (30, 1048632), (36, 873860), (39, 806640), (40, 786474), (45, 699088), (48, 655395), (52, 604980), (60, 524316), (65, 483984), (72, 436930), (78, 403320), (80, 393237), (90, 349544), (104, 302490), (117, 268880), (120, 262158), (130, 241992), (144, 218465), (156, 201660), (180, 174772), (195, 161328), (208, 151245), (234, 134440), (240, 131079), (260, 120996), (312, 100830), (360, 87386), (390, 80664), (468, 67220), (520, 60498), (585, 53776), (624, 50415), (720, 43693), (780, 40332), (936, 33610), (1040, 30249), (1170, 26888), (1560, 20166), (1872, 16805), (2340, 13444), (3120, 10083), (3361, 9360), (4680, 6722)]