66597680

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1$

素因数の和:318

約数の個数: 80

約数和(自身を含む): 160302240

約数和(自身を除く): 93704560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 113, 139, 212, 226, 265, 278, 424, 452, 530, 556, 565, 695, 848, 904, 1060, 1112, 1130, 1390, 1808, 2120, 2224, 2260, 2780, 4240, 4520, 5560, 5989, 7367, 9040, 11120, 11978, 14734, 15707, 23956, 29468, 29945, 31414, 36835, 47912, 58936, 59890, 62828, 73670, 78535, 95824, 117872, 119780, 125656, 147340, 157070, 239560, 251312, 294680, 314140, 479120, 589360, 628280, 832471, 1256560, 1664942, 3329884, 4162355, 6659768, 8324710, 13319536, 16649420, 33298840, 66597680]

約数ペア:

[(1, 66597680), (2, 33298840), (4, 16649420), (5, 13319536), (8, 8324710), (10, 6659768), (16, 4162355), (20, 3329884), (40, 1664942), (53, 1256560), (80, 832471), (106, 628280), (113, 589360), (139, 479120), (212, 314140), (226, 294680), (265, 251312), (278, 239560), (424, 157070), (452, 147340), (530, 125656), (556, 119780), (565, 117872), (695, 95824), (848, 78535), (904, 73670), (1060, 62828), (1112, 59890), (1130, 58936), (1390, 47912), (1808, 36835), (2120, 31414), (2224, 29945), (2260, 29468), (2780, 23956), (4240, 15707), (4520, 14734), (5560, 11978), (5989, 11120), (7367, 9040)]