65577680

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{16729}}^1$

素因数の和:16756

約数の個数: 60

約数和(自身を含む): 177371460

約数和(自身を除く): 111793780

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, 16729, 33458, 66916, 83645, 117103, 133832, 167290, 234206, 267664, 334580, 468412, 585515, 669160, 819721, 936824, 1171030, 1338320, 1639442, 1873648, 2342060, 3278884, 4098605, 4684120, 6557768, 8197210, 9368240, 13115536, 16394420, 32788840, 65577680]

約数ペア:

[(1, 65577680), (2, 32788840), (4, 16394420), (5, 13115536), (7, 9368240), (8, 8197210), (10, 6557768), (14, 4684120), (16, 4098605), (20, 3278884), (28, 2342060), (35, 1873648), (40, 1639442), (49, 1338320), (56, 1171030), (70, 936824), (80, 819721), (98, 669160), (112, 585515), (140, 468412), (196, 334580), (245, 267664), (280, 234206), (392, 167290), (490, 133832), (560, 117103), (784, 83645), (980, 66916), (1960, 33458), (3920, 16729)]