66813680

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{929}}^1$

素因数の和:1002

約数の個数: 80

約数和(自身を含む): 166060800

約数和(自身を除く): 99247120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 31, 40, 58, 62, 80, 116, 124, 145, 155, 232, 248, 290, 310, 464, 496, 580, 620, 899, 929, 1160, 1240, 1798, 1858, 2320, 2480, 3596, 3716, 4495, 4645, 7192, 7432, 8990, 9290, 14384, 14864, 17980, 18580, 26941, 28799, 35960, 37160, 53882, 57598, 71920, 74320, 107764, 115196, 134705, 143995, 215528, 230392, 269410, 287990, 431056, 460784, 538820, 575980, 835171, 1077640, 1151960, 1670342, 2155280, 2303920, 3340684, 4175855, 6681368, 8351710, 13362736, 16703420, 33406840, 66813680]

約数ペア:

[(1, 66813680), (2, 33406840), (4, 16703420), (5, 13362736), (8, 8351710), (10, 6681368), (16, 4175855), (20, 3340684), (29, 2303920), (31, 2155280), (40, 1670342), (58, 1151960), (62, 1077640), (80, 835171), (116, 575980), (124, 538820), (145, 460784), (155, 431056), (232, 287990), (248, 269410), (290, 230392), (310, 215528), (464, 143995), (496, 134705), (580, 115196), (620, 107764), (899, 74320), (929, 71920), (1160, 57598), (1240, 53882), (1798, 37160), (1858, 35960), (2320, 28799), (2480, 26941), (3596, 18580), (3716, 17980), (4495, 14864), (4645, 14384), (7192, 9290), (7432, 8990)]