11520560

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:270

約数の個数: 80

約数和(自身を含む): 29167776

約数和(自身を除く): 17647216

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 43, 68, 80, 85, 86, 136, 170, 172, 197, 215, 272, 340, 344, 394, 430, 680, 688, 731, 788, 860, 985, 1360, 1462, 1576, 1720, 1970, 2924, 3152, 3349, 3440, 3655, 3940, 5848, 6698, 7310, 7880, 8471, 11696, 13396, 14620, 15760, 16745, 16942, 26792, 29240, 33490, 33884, 42355, 53584, 58480, 66980, 67768, 84710, 133960, 135536, 144007, 169420, 267920, 288014, 338840, 576028, 677680, 720035, 1152056, 1440070, 2304112, 2880140, 5760280, 11520560]

約数ペア:

[(1, 11520560), (2, 5760280), (4, 2880140), (5, 2304112), (8, 1440070), (10, 1152056), (16, 720035), (17, 677680), (20, 576028), (34, 338840), (40, 288014), (43, 267920), (68, 169420), (80, 144007), (85, 135536), (86, 133960), (136, 84710), (170, 67768), (172, 66980), (197, 58480), (215, 53584), (272, 42355), (340, 33884), (344, 33490), (394, 29240), (430, 26792), (680, 16942), (688, 16745), (731, 15760), (788, 14620), (860, 13396), (985, 11696), (1360, 8471), (1462, 7880), (1576, 7310), (1720, 6698), (1970, 5848), (2924, 3940), (3152, 3655), (3349, 3440)]