80972970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{15971}}^1$

素因数の和:16007

約数の個数: 48

約数和(自身を含む): 210447072

約数和(自身を除く): 129474102

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 169, 195, 338, 390, 507, 845, 1014, 1690, 2535, 5070, 15971, 31942, 47913, 79855, 95826, 159710, 207623, 239565, 415246, 479130, 622869, 1038115, 1245738, 2076230, 2699099, 3114345, 5398198, 6228690, 8097297, 13495495, 16194594, 26990990, 40486485, 80972970]

約数ペア:

[(1, 80972970), (2, 40486485), (3, 26990990), (5, 16194594), (6, 13495495), (10, 8097297), (13, 6228690), (15, 5398198), (26, 3114345), (30, 2699099), (39, 2076230), (65, 1245738), (78, 1038115), (130, 622869), (169, 479130), (195, 415246), (338, 239565), (390, 207623), (507, 159710), (845, 95826), (1014, 79855), (1690, 47913), (2535, 31942), (5070, 15971)]