15791720

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{1151}}^1$

素因数の和:1183

約数の個数: 64

約数和(自身を含む): 41472000

約数和(自身を除く): 25680280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1151, 1372, 1715, 1960, 2302, 2744, 3430, 4604, 5755, 6860, 8057, 9208, 11510, 13720, 16114, 23020, 32228, 40285, 46040, 56399, 64456, 80570, 112798, 161140, 225596, 281995, 322280, 394793, 451192, 563990, 789586, 1127980, 1579172, 1973965, 2255960, 3158344, 3947930, 7895860, 15791720]

約数ペア:

[(1, 15791720), (2, 7895860), (4, 3947930), (5, 3158344), (7, 2255960), (8, 1973965), (10, 1579172), (14, 1127980), (20, 789586), (28, 563990), (35, 451192), (40, 394793), (49, 322280), (56, 281995), (70, 225596), (98, 161140), (140, 112798), (196, 80570), (245, 64456), (280, 56399), (343, 46040), (392, 40285), (490, 32228), (686, 23020), (980, 16114), (1151, 13720), (1372, 11510), (1715, 9208), (1960, 8057), (2302, 6860), (2744, 5755), (3430, 4604)]