72289020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{28019}}^1$

素因数の和:28074

約数の個数: 48

約数和(自身を含む): 207123840

約数和(自身を除く): 134834820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 28019, 56038, 84057, 112076, 140095, 168114, 280190, 336228, 420285, 560380, 840570, 1204817, 1681140, 2409634, 3614451, 4819268, 6024085, 7228902, 12048170, 14457804, 18072255, 24096340, 36144510, 72289020]

約数ペア:

[(1, 72289020), (2, 36144510), (3, 24096340), (4, 18072255), (5, 14457804), (6, 12048170), (10, 7228902), (12, 6024085), (15, 4819268), (20, 3614451), (30, 2409634), (43, 1681140), (60, 1204817), (86, 840570), (129, 560380), (172, 420285), (215, 336228), (258, 280190), (430, 168114), (516, 140095), (645, 112076), (860, 84057), (1290, 56038), (2580, 28019)]