618982720

素因数分解:

$2^6\times 5^1\times {\mathrm{163}}^1\times {\mathrm{11867}}^1$

素因数の和:12047

約数の個数: 56

約数和(自身を含む): 1483120224

約数和(自身を除く): 864137504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 163, 320, 326, 652, 815, 1304, 1630, 2608, 3260, 5216, 6520, 10432, 11867, 13040, 23734, 26080, 47468, 52160, 59335, 94936, 118670, 189872, 237340, 379744, 474680, 759488, 949360, 1898720, 1934321, 3797440, 3868642, 7737284, 9671605, 15474568, 19343210, 30949136, 38686420, 61898272, 77372840, 123796544, 154745680, 309491360, 618982720]

約数ペア:

[(1, 618982720), (2, 309491360), (4, 154745680), (5, 123796544), (8, 77372840), (10, 61898272), (16, 38686420), (20, 30949136), (32, 19343210), (40, 15474568), (64, 9671605), (80, 7737284), (160, 3868642), (163, 3797440), (320, 1934321), (326, 1898720), (652, 949360), (815, 759488), (1304, 474680), (1630, 379744), (2608, 237340), (3260, 189872), (5216, 118670), (6520, 94936), (10432, 59335), (11867, 52160), (13040, 47468), (23734, 26080)]