18587120

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1$

素因数の和:282

約数の個数: 80

約数和(自身を含む): 46604160

約数和(自身を除く): 28017040

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 79, 80, 85, 136, 158, 170, 173, 272, 316, 340, 346, 395, 632, 680, 692, 790, 865, 1264, 1343, 1360, 1384, 1580, 1730, 2686, 2768, 2941, 3160, 3460, 5372, 5882, 6320, 6715, 6920, 10744, 11764, 13430, 13667, 13840, 14705, 21488, 23528, 26860, 27334, 29410, 47056, 53720, 54668, 58820, 68335, 107440, 109336, 117640, 136670, 218672, 232339, 235280, 273340, 464678, 546680, 929356, 1093360, 1161695, 1858712, 2323390, 3717424, 4646780, 9293560, 18587120]

約数ペア:

[(1, 18587120), (2, 9293560), (4, 4646780), (5, 3717424), (8, 2323390), (10, 1858712), (16, 1161695), (17, 1093360), (20, 929356), (34, 546680), (40, 464678), (68, 273340), (79, 235280), (80, 232339), (85, 218672), (136, 136670), (158, 117640), (170, 109336), (173, 107440), (272, 68335), (316, 58820), (340, 54668), (346, 53720), (395, 47056), (632, 29410), (680, 27334), (692, 26860), (790, 23528), (865, 21488), (1264, 14705), (1343, 13840), (1360, 13667), (1384, 13430), (1580, 11764), (1730, 10744), (2686, 6920), (2768, 6715), (2941, 6320), (3160, 5882), (3460, 5372)]