127907320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{2381}}^1$

素因数の和:2488

約数の個数: 64

約数和(自身を含む): 308707200

約数和(自身を除く): 180799880

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 79, 85, 136, 158, 170, 316, 340, 395, 632, 680, 790, 1343, 1580, 2381, 2686, 3160, 4762, 5372, 6715, 9524, 10744, 11905, 13430, 19048, 23810, 26860, 40477, 47620, 53720, 80954, 95240, 161908, 188099, 202385, 323816, 376198, 404770, 752396, 809540, 940495, 1504792, 1619080, 1880990, 3197683, 3761980, 6395366, 7523960, 12790732, 15988415, 25581464, 31976830, 63953660, 127907320]

約数ペア:

[(1, 127907320), (2, 63953660), (4, 31976830), (5, 25581464), (8, 15988415), (10, 12790732), (17, 7523960), (20, 6395366), (34, 3761980), (40, 3197683), (68, 1880990), (79, 1619080), (85, 1504792), (136, 940495), (158, 809540), (170, 752396), (316, 404770), (340, 376198), (395, 323816), (632, 202385), (680, 188099), (790, 161908), (1343, 95240), (1580, 80954), (2381, 53720), (2686, 47620), (3160, 40477), (4762, 26860), (5372, 23810), (6715, 19048), (9524, 13430), (10744, 11905)]