72847720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{9739}}^1$

素因数の和:9778

約数の個数: 64

約数和(自身を含む): 189345600

約数和(自身を除く): 116497880

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 220, 340, 374, 440, 680, 748, 935, 1496, 1870, 3740, 7480, 9739, 19478, 38956, 48695, 77912, 97390, 107129, 165563, 194780, 214258, 331126, 389560, 428516, 535645, 662252, 827815, 857032, 1071290, 1324504, 1655630, 1821193, 2142580, 3311260, 3642386, 4285160, 6622520, 7284772, 9105965, 14569544, 18211930, 36423860, 72847720]

約数ペア:

[(1, 72847720), (2, 36423860), (4, 18211930), (5, 14569544), (8, 9105965), (10, 7284772), (11, 6622520), (17, 4285160), (20, 3642386), (22, 3311260), (34, 2142580), (40, 1821193), (44, 1655630), (55, 1324504), (68, 1071290), (85, 857032), (88, 827815), (110, 662252), (136, 535645), (170, 428516), (187, 389560), (220, 331126), (340, 214258), (374, 194780), (440, 165563), (680, 107129), (748, 97390), (935, 77912), (1496, 48695), (1870, 38956), (3740, 19478), (7480, 9739)]