2588820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3319}}^1$

素因数の和:3344

約数の個数: 48

約数和(自身を含む): 7808640

約数和(自身を除く): 5219820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 3319, 6638, 9957, 13276, 16595, 19914, 33190, 39828, 43147, 49785, 66380, 86294, 99570, 129441, 172588, 199140, 215735, 258882, 431470, 517764, 647205, 862940, 1294410, 2588820]

約数ペア:

[(1, 2588820), (2, 1294410), (3, 862940), (4, 647205), (5, 517764), (6, 431470), (10, 258882), (12, 215735), (13, 199140), (15, 172588), (20, 129441), (26, 99570), (30, 86294), (39, 66380), (52, 49785), (60, 43147), (65, 39828), (78, 33190), (130, 19914), (156, 16595), (195, 13276), (260, 9957), (390, 6638), (780, 3319)]