64495760

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{16453}}^1$

素因数の和:16480

約数の個数: 60

約数和(自身を含む): 174445308

約数和(自身を除く): 109949548

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 16453, 32906, 65812, 82265, 115171, 131624, 164530, 230342, 263248, 329060, 460684, 575855, 658120, 806197, 921368, 1151710, 1316240, 1612394, 1842736, 2303420, 3224788, 4030985, 4606840, 6449576, 8061970, 9213680, 12899152, 16123940, 32247880, 64495760]

約数ペア:

[(1, 64495760), (2, 32247880), (4, 16123940), (5, 12899152), (7, 9213680), (8, 8061970), (10, 6449576), (14, 4606840), (16, 4030985), (20, 3224788), (28, 2303420), (35, 1842736), (40, 1612394), (49, 1316240), (56, 1151710), (70, 921368), (80, 806197), (98, 658120), (112, 575855), (140, 460684), (196, 329060), (245, 263248), (280, 230342), (392, 164530), (490, 131624), (560, 115171), (784, 82265), (980, 65812), (1960, 32906), (3920, 16453)]