2855640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{449}}^1$

素因数の和:516

約数の個数: 64

約数和(自身を含む): 8748000

約数和(自身を除く): 5892360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 53, 60, 106, 120, 159, 212, 265, 318, 424, 449, 530, 636, 795, 898, 1060, 1272, 1347, 1590, 1796, 2120, 2245, 2694, 3180, 3592, 4490, 5388, 6360, 6735, 8980, 10776, 13470, 17960, 23797, 26940, 47594, 53880, 71391, 95188, 118985, 142782, 190376, 237970, 285564, 356955, 475940, 571128, 713910, 951880, 1427820, 2855640]

約数ペア:

[(1, 2855640), (2, 1427820), (3, 951880), (4, 713910), (5, 571128), (6, 475940), (8, 356955), (10, 285564), (12, 237970), (15, 190376), (20, 142782), (24, 118985), (30, 95188), (40, 71391), (53, 53880), (60, 47594), (106, 26940), (120, 23797), (159, 17960), (212, 13470), (265, 10776), (318, 8980), (424, 6735), (449, 6360), (530, 5388), (636, 4490), (795, 3592), (898, 3180), (1060, 2694), (1272, 2245), (1347, 2120), (1590, 1796)]