161728640

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{10987}}^1$

素因数の和:11029

約数の個数: 64

約数和(自身を含む): 403479360

約数和(自身を除く): 241750720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 320, 368, 460, 640, 736, 920, 1472, 1840, 2944, 3680, 7360, 10987, 14720, 21974, 43948, 54935, 87896, 109870, 175792, 219740, 252701, 351584, 439480, 505402, 703168, 878960, 1010804, 1263505, 1406336, 1757920, 2021608, 2527010, 3515840, 4043216, 5054020, 7031680, 8086432, 10108040, 16172864, 20216080, 32345728, 40432160, 80864320, 161728640]

約数ペア:

[(1, 161728640), (2, 80864320), (4, 40432160), (5, 32345728), (8, 20216080), (10, 16172864), (16, 10108040), (20, 8086432), (23, 7031680), (32, 5054020), (40, 4043216), (46, 3515840), (64, 2527010), (80, 2021608), (92, 1757920), (115, 1406336), (128, 1263505), (160, 1010804), (184, 878960), (230, 703168), (320, 505402), (368, 439480), (460, 351584), (640, 252701), (736, 219740), (920, 175792), (1472, 109870), (1840, 87896), (2944, 54935), (3680, 43948), (7360, 21974), (10987, 14720)]