155116520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{1499}}^1$

素因数の和:1722

約数の個数: 64

約数和(自身を含む): 378000000

約数和(自身を除く): 222883480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 199, 260, 398, 520, 796, 995, 1499, 1592, 1990, 2587, 2998, 3980, 5174, 5996, 7495, 7960, 10348, 11992, 12935, 14990, 19487, 20696, 25870, 29980, 38974, 51740, 59960, 77948, 97435, 103480, 155896, 194870, 298301, 389740, 596602, 779480, 1193204, 1491505, 2386408, 2983010, 3877913, 5966020, 7755826, 11932040, 15511652, 19389565, 31023304, 38779130, 77558260, 155116520]

約数ペア:

[(1, 155116520), (2, 77558260), (4, 38779130), (5, 31023304), (8, 19389565), (10, 15511652), (13, 11932040), (20, 7755826), (26, 5966020), (40, 3877913), (52, 2983010), (65, 2386408), (104, 1491505), (130, 1193204), (199, 779480), (260, 596602), (398, 389740), (520, 298301), (796, 194870), (995, 155896), (1499, 103480), (1592, 97435), (1990, 77948), (2587, 59960), (2998, 51740), (3980, 38974), (5174, 29980), (5996, 25870), (7495, 20696), (7960, 19487), (10348, 14990), (11992, 12935)]