72320010

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{661}}^1$

素因数の和:1199

約数の個数: 64

約数和(自身を含む): 199044864

約数和(自身を除く): 126724854

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 521, 661, 1042, 1322, 1563, 1983, 2605, 3126, 3305, 3647, 3966, 4627, 5210, 6610, 7294, 7815, 9254, 9915, 10941, 13881, 15630, 18235, 19830, 21882, 23135, 27762, 36470, 46270, 54705, 69405, 109410, 138810, 344381, 688762, 1033143, 1721905, 2066286, 2410667, 3443810, 4821334, 5165715, 7232001, 10331430, 12053335, 14464002, 24106670, 36160005, 72320010]

約数ペア:

[(1, 72320010), (2, 36160005), (3, 24106670), (5, 14464002), (6, 12053335), (7, 10331430), (10, 7232001), (14, 5165715), (15, 4821334), (21, 3443810), (30, 2410667), (35, 2066286), (42, 1721905), (70, 1033143), (105, 688762), (210, 344381), (521, 138810), (661, 109410), (1042, 69405), (1322, 54705), (1563, 46270), (1983, 36470), (2605, 27762), (3126, 23135), (3305, 21882), (3647, 19830), (3966, 18235), (4627, 15630), (5210, 13881), (6610, 10941), (7294, 9915), (7815, 9254)]