681094720

素因数分解:

$2^6\times 5^1\times {\mathrm{1049}}^1\times {\mathrm{2029}}^1$

素因数の和:3095

約数の個数: 56

約数和(自身を含む): 1624203000

約数和(自身を除く): 943108280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 1049, 2029, 2098, 4058, 4196, 5245, 8116, 8392, 10145, 10490, 16232, 16784, 20290, 20980, 32464, 33568, 40580, 41960, 64928, 67136, 81160, 83920, 129856, 162320, 167840, 324640, 335680, 649280, 2128421, 4256842, 8513684, 10642105, 17027368, 21284210, 34054736, 42568420, 68109472, 85136840, 136218944, 170273680, 340547360, 681094720]

約数ペア:

[(1, 681094720), (2, 340547360), (4, 170273680), (5, 136218944), (8, 85136840), (10, 68109472), (16, 42568420), (20, 34054736), (32, 21284210), (40, 17027368), (64, 10642105), (80, 8513684), (160, 4256842), (320, 2128421), (1049, 649280), (2029, 335680), (2098, 324640), (4058, 167840), (4196, 162320), (5245, 129856), (8116, 83920), (8392, 81160), (10145, 67136), (10490, 64928), (16232, 41960), (16784, 40580), (20290, 33568), (20980, 32464)]