163949440

素因数分解:

$2^7\times 5^1\times {\mathrm{113}}^1\times {\mathrm{2267}}^1$

素因数の和:2399

約数の個数: 64

約数和(自身を含む): 395584560

約数和(自身を除く): 231635120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 113, 128, 160, 226, 320, 452, 565, 640, 904, 1130, 1808, 2260, 2267, 3616, 4520, 4534, 7232, 9040, 9068, 11335, 14464, 18080, 18136, 22670, 36160, 36272, 45340, 72320, 72544, 90680, 145088, 181360, 256171, 290176, 362720, 512342, 725440, 1024684, 1280855, 1450880, 2049368, 2561710, 4098736, 5123420, 8197472, 10246840, 16394944, 20493680, 32789888, 40987360, 81974720, 163949440]

約数ペア:

[(1, 163949440), (2, 81974720), (4, 40987360), (5, 32789888), (8, 20493680), (10, 16394944), (16, 10246840), (20, 8197472), (32, 5123420), (40, 4098736), (64, 2561710), (80, 2049368), (113, 1450880), (128, 1280855), (160, 1024684), (226, 725440), (320, 512342), (452, 362720), (565, 290176), (640, 256171), (904, 181360), (1130, 145088), (1808, 90680), (2260, 72544), (2267, 72320), (3616, 45340), (4520, 36272), (4534, 36160), (7232, 22670), (9040, 18136), (9068, 18080), (11335, 14464)]