64719180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{2153}}^1$

素因数の和:2335

約数の個数: 72

約数和(自身を含む): 197582112

約数和(自身を除く): 132862932

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 167, 180, 334, 501, 668, 835, 1002, 1503, 1670, 2004, 2153, 2505, 3006, 3340, 4306, 5010, 6012, 6459, 7515, 8612, 10020, 10765, 12918, 15030, 19377, 21530, 25836, 30060, 32295, 38754, 43060, 64590, 77508, 96885, 129180, 193770, 359551, 387540, 719102, 1078653, 1438204, 1797755, 2157306, 3235959, 3595510, 4314612, 5393265, 6471918, 7191020, 10786530, 12943836, 16179795, 21573060, 32359590, 64719180]

約数ペア:

[(1, 64719180), (2, 32359590), (3, 21573060), (4, 16179795), (5, 12943836), (6, 10786530), (9, 7191020), (10, 6471918), (12, 5393265), (15, 4314612), (18, 3595510), (20, 3235959), (30, 2157306), (36, 1797755), (45, 1438204), (60, 1078653), (90, 719102), (167, 387540), (180, 359551), (334, 193770), (501, 129180), (668, 96885), (835, 77508), (1002, 64590), (1503, 43060), (1670, 38754), (2004, 32295), (2153, 30060), (2505, 25836), (3006, 21530), (3340, 19377), (4306, 15030), (5010, 12918), (6012, 10765), (6459, 10020), (7515, 8612)]