129600640

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{421}}^1$

素因数の和:490

約数の個数: 128

約数和(自身を含む): 343491120

約数和(自身を除く): 213890480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 37, 40, 52, 64, 65, 74, 80, 104, 128, 130, 148, 160, 185, 208, 260, 296, 320, 370, 416, 421, 481, 520, 592, 640, 740, 832, 842, 962, 1040, 1184, 1480, 1664, 1684, 1924, 2080, 2105, 2368, 2405, 2960, 3368, 3848, 4160, 4210, 4736, 4810, 5473, 5920, 6736, 7696, 8320, 8420, 9620, 10946, 11840, 13472, 15392, 15577, 16840, 19240, 21892, 23680, 26944, 27365, 30784, 31154, 33680, 38480, 43784, 53888, 54730, 61568, 62308, 67360, 76960, 77885, 87568, 109460, 124616, 134720, 153920, 155770, 175136, 202501, 218920, 249232, 269440, 307840, 311540, 350272, 405002, 437840, 498464, 623080, 700544, 810004, 875680, 996928, 1012505, 1246160, 1620008, 1751360, 1993856, 2025010, 2492320, 3240016, 3502720, 4050020, 4984640, 6480032, 8100040, 9969280, 12960064, 16200080, 25920128, 32400160, 64800320, 129600640]

約数ペア:

[(1, 129600640), (2, 64800320), (4, 32400160), (5, 25920128), (8, 16200080), (10, 12960064), (13, 9969280), (16, 8100040), (20, 6480032), (26, 4984640), (32, 4050020), (37, 3502720), (40, 3240016), (52, 2492320), (64, 2025010), (65, 1993856), (74, 1751360), (80, 1620008), (104, 1246160), (128, 1012505), (130, 996928), (148, 875680), (160, 810004), (185, 700544), (208, 623080), (260, 498464), (296, 437840), (320, 405002), (370, 350272), (416, 311540), (421, 307840), (481, 269440), (520, 249232), (592, 218920), (640, 202501), (740, 175136), (832, 155770), (842, 153920), (962, 134720), (1040, 124616), (1184, 109460), (1480, 87568), (1664, 77885), (1684, 76960), (1924, 67360), (2080, 62308), (2105, 61568), (2368, 54730), (2405, 53888), (2960, 43784), (3368, 38480), (3848, 33680), (4160, 31154), (4210, 30784), (4736, 27365), (4810, 26944), (5473, 23680), (5920, 21892), (6736, 19240), (7696, 16840), (8320, 15577), (8420, 15392), (9620, 13472), (10946, 11840)]