66450280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{7517}}^1$

素因数の和:7558

約数の個数: 64

約数和(自身を含む): 170508240

約数和(自身を除く): 104057960

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1768, 2210, 4420, 7517, 8840, 15034, 30068, 37585, 60136, 75170, 97721, 127789, 150340, 195442, 255578, 300680, 390884, 488605, 511156, 638945, 781768, 977210, 1022312, 1277890, 1661257, 1954420, 2555780, 3322514, 3908840, 5111560, 6645028, 8306285, 13290056, 16612570, 33225140, 66450280]

約数ペア:

[(1, 66450280), (2, 33225140), (4, 16612570), (5, 13290056), (8, 8306285), (10, 6645028), (13, 5111560), (17, 3908840), (20, 3322514), (26, 2555780), (34, 1954420), (40, 1661257), (52, 1277890), (65, 1022312), (68, 977210), (85, 781768), (104, 638945), (130, 511156), (136, 488605), (170, 390884), (221, 300680), (260, 255578), (340, 195442), (442, 150340), (520, 127789), (680, 97721), (884, 75170), (1105, 60136), (1768, 37585), (2210, 30068), (4420, 15034), (7517, 8840)]