163280360

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1\times {\mathrm{317}}^1$

素因数の和:570

約数の個数: 64

約数和(自身を含む): 375494400

約数和(自身を除く): 212214040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 163, 316, 317, 326, 395, 632, 634, 652, 790, 815, 1268, 1304, 1580, 1585, 1630, 2536, 3160, 3170, 3260, 6340, 6520, 12680, 12877, 25043, 25754, 50086, 51508, 51671, 64385, 100172, 103016, 103342, 125215, 128770, 200344, 206684, 250430, 257540, 258355, 413368, 500860, 515080, 516710, 1001720, 1033420, 2066840, 4082009, 8164018, 16328036, 20410045, 32656072, 40820090, 81640180, 163280360]

約数ペア:

[(1, 163280360), (2, 81640180), (4, 40820090), (5, 32656072), (8, 20410045), (10, 16328036), (20, 8164018), (40, 4082009), (79, 2066840), (158, 1033420), (163, 1001720), (316, 516710), (317, 515080), (326, 500860), (395, 413368), (632, 258355), (634, 257540), (652, 250430), (790, 206684), (815, 200344), (1268, 128770), (1304, 125215), (1580, 103342), (1585, 103016), (1630, 100172), (2536, 64385), (3160, 51671), (3170, 51508), (3260, 50086), (6340, 25754), (6520, 25043), (12680, 12877)]