72513140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{1213}}^1$

素因数の和:1297

約数の個数: 72

約数和(自身を含む): 180191592

約数和(自身を除く): 107678452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 61, 70, 98, 122, 140, 196, 244, 245, 305, 427, 490, 610, 854, 980, 1213, 1220, 1708, 2135, 2426, 2989, 4270, 4852, 5978, 6065, 8491, 8540, 11956, 12130, 14945, 16982, 24260, 29890, 33964, 42455, 59437, 59780, 73993, 84910, 118874, 147986, 169820, 237748, 295972, 297185, 369965, 517951, 594370, 739930, 1035902, 1188740, 1479860, 2071804, 2589755, 3625657, 5179510, 7251314, 10359020, 14502628, 18128285, 36256570, 72513140]

約数ペア:

[(1, 72513140), (2, 36256570), (4, 18128285), (5, 14502628), (7, 10359020), (10, 7251314), (14, 5179510), (20, 3625657), (28, 2589755), (35, 2071804), (49, 1479860), (61, 1188740), (70, 1035902), (98, 739930), (122, 594370), (140, 517951), (196, 369965), (244, 297185), (245, 295972), (305, 237748), (427, 169820), (490, 147986), (610, 118874), (854, 84910), (980, 73993), (1213, 59780), (1220, 59437), (1708, 42455), (2135, 33964), (2426, 29890), (2989, 24260), (4270, 16982), (4852, 14945), (5978, 12130), (6065, 11956), (8491, 8540)]