28846920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{571}}^1$

素因数の和:1006

約数の個数: 64

約数和(自身を含む): 86898240

約数和(自身を除く): 58051320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 421, 571, 842, 1142, 1263, 1684, 1713, 2105, 2284, 2526, 2855, 3368, 3426, 4210, 4568, 5052, 5710, 6315, 6852, 8420, 8565, 10104, 11420, 12630, 13704, 16840, 17130, 22840, 25260, 34260, 50520, 68520, 240391, 480782, 721173, 961564, 1201955, 1442346, 1923128, 2403910, 2884692, 3605865, 4807820, 5769384, 7211730, 9615640, 14423460, 28846920]

約数ペア:

[(1, 28846920), (2, 14423460), (3, 9615640), (4, 7211730), (5, 5769384), (6, 4807820), (8, 3605865), (10, 2884692), (12, 2403910), (15, 1923128), (20, 1442346), (24, 1201955), (30, 961564), (40, 721173), (60, 480782), (120, 240391), (421, 68520), (571, 50520), (842, 34260), (1142, 25260), (1263, 22840), (1684, 17130), (1713, 16840), (2105, 13704), (2284, 12630), (2526, 11420), (2855, 10104), (3368, 8565), (3426, 8420), (4210, 6852), (4568, 6315), (5052, 5710)]