255714160

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{12941}}^1$

素因数の和:12986

約数の個数: 80

約数和(自身を含む): 674019360

約数和(自身を除く): 418305200

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 760, 988, 1040, 1235, 1520, 1976, 2470, 3952, 4940, 9880, 12941, 19760, 25882, 51764, 64705, 103528, 129410, 168233, 207056, 245879, 258820, 336466, 491758, 517640, 672932, 841165, 983516, 1035280, 1229395, 1345864, 1682330, 1967032, 2458790, 2691728, 3196427, 3364660, 3934064, 4917580, 6392854, 6729320, 9835160, 12785708, 13458640, 15982135, 19670320, 25571416, 31964270, 51142832, 63928540, 127857080, 255714160]

約数ペア:

[(1, 255714160), (2, 127857080), (4, 63928540), (5, 51142832), (8, 31964270), (10, 25571416), (13, 19670320), (16, 15982135), (19, 13458640), (20, 12785708), (26, 9835160), (38, 6729320), (40, 6392854), (52, 4917580), (65, 3934064), (76, 3364660), (80, 3196427), (95, 2691728), (104, 2458790), (130, 1967032), (152, 1682330), (190, 1345864), (208, 1229395), (247, 1035280), (260, 983516), (304, 841165), (380, 672932), (494, 517640), (520, 491758), (760, 336466), (988, 258820), (1040, 245879), (1235, 207056), (1520, 168233), (1976, 129410), (2470, 103528), (3952, 64705), (4940, 51764), (9880, 25882), (12941, 19760)]