55865640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:247

約数の個数: 128

約数和(自身を含む): 174182400

約数和(自身を除く): 118316760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 79, 83, 120, 142, 158, 166, 213, 237, 249, 284, 316, 332, 355, 395, 415, 426, 474, 498, 568, 632, 664, 710, 790, 830, 852, 948, 996, 1065, 1185, 1245, 1420, 1580, 1660, 1704, 1896, 1992, 2130, 2370, 2490, 2840, 3160, 3320, 4260, 4740, 4980, 5609, 5893, 6557, 8520, 9480, 9960, 11218, 11786, 13114, 16827, 17679, 19671, 22436, 23572, 26228, 28045, 29465, 32785, 33654, 35358, 39342, 44872, 47144, 52456, 56090, 58930, 65570, 67308, 70716, 78684, 84135, 88395, 98355, 112180, 117860, 131140, 134616, 141432, 157368, 168270, 176790, 196710, 224360, 235720, 262280, 336540, 353580, 393420, 465547, 673080, 707160, 786840, 931094, 1396641, 1862188, 2327735, 2793282, 3724376, 4655470, 5586564, 6983205, 9310940, 11173128, 13966410, 18621880, 27932820, 55865640]

約数ペア:

[(1, 55865640), (2, 27932820), (3, 18621880), (4, 13966410), (5, 11173128), (6, 9310940), (8, 6983205), (10, 5586564), (12, 4655470), (15, 3724376), (20, 2793282), (24, 2327735), (30, 1862188), (40, 1396641), (60, 931094), (71, 786840), (79, 707160), (83, 673080), (120, 465547), (142, 393420), (158, 353580), (166, 336540), (213, 262280), (237, 235720), (249, 224360), (284, 196710), (316, 176790), (332, 168270), (355, 157368), (395, 141432), (415, 134616), (426, 131140), (474, 117860), (498, 112180), (568, 98355), (632, 88395), (664, 84135), (710, 78684), (790, 70716), (830, 67308), (852, 65570), (948, 58930), (996, 56090), (1065, 52456), (1185, 47144), (1245, 44872), (1420, 39342), (1580, 35358), (1660, 33654), (1704, 32785), (1896, 29465), (1992, 28045), (2130, 26228), (2370, 23572), (2490, 22436), (2840, 19671), (3160, 17679), (3320, 16827), (4260, 13114), (4740, 11786), (4980, 11218), (5609, 9960), (5893, 9480), (6557, 8520)]