70780580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{487}}^1$

素因数の和:565

約数の個数: 72

約数和(自身を含む): 165033792

約数和(自身を除く): 94253212

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 169, 172, 215, 260, 338, 430, 487, 559, 676, 845, 860, 974, 1118, 1690, 1948, 2236, 2435, 2795, 3380, 4870, 5590, 6331, 7267, 9740, 11180, 12662, 14534, 20941, 25324, 29068, 31655, 36335, 41882, 63310, 72670, 82303, 83764, 104705, 126620, 145340, 164606, 209410, 272233, 329212, 411515, 418820, 544466, 823030, 1088932, 1361165, 1646060, 2722330, 3539029, 5444660, 7078058, 14156116, 17695145, 35390290, 70780580]

約数ペア:

[(1, 70780580), (2, 35390290), (4, 17695145), (5, 14156116), (10, 7078058), (13, 5444660), (20, 3539029), (26, 2722330), (43, 1646060), (52, 1361165), (65, 1088932), (86, 823030), (130, 544466), (169, 418820), (172, 411515), (215, 329212), (260, 272233), (338, 209410), (430, 164606), (487, 145340), (559, 126620), (676, 104705), (845, 83764), (860, 82303), (974, 72670), (1118, 63310), (1690, 41882), (1948, 36335), (2236, 31655), (2435, 29068), (2795, 25324), (3380, 20941), (4870, 14534), (5590, 12662), (6331, 11180), (7267, 9740)]