72168740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{30323}}^1$

素因数の和:30356

約数の個数: 48

約数和(自身を含む): 183399552

約数和(自身を除く): 111230812

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 30323, 60646, 121292, 151615, 212261, 303230, 424522, 515491, 606460, 849044, 1030982, 1061305, 2061964, 2122610, 2577455, 3608437, 4245220, 5154910, 7216874, 10309820, 14433748, 18042185, 36084370, 72168740]

約数ペア:

[(1, 72168740), (2, 36084370), (4, 18042185), (5, 14433748), (7, 10309820), (10, 7216874), (14, 5154910), (17, 4245220), (20, 3608437), (28, 2577455), (34, 2122610), (35, 2061964), (68, 1061305), (70, 1030982), (85, 849044), (119, 606460), (140, 515491), (170, 424522), (238, 303230), (340, 212261), (476, 151615), (595, 121292), (1190, 60646), (2380, 30323)]