1830831560

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{571}}^1\times {\mathrm{1129}}^1$

素因数の和:1782

約数の個数: 64

約数和(自身を含む): 4188412800

約数和(自身を除く): 2357581240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 571, 710, 1129, 1142, 1420, 2258, 2284, 2840, 2855, 4516, 4568, 5645, 5710, 9032, 11290, 11420, 22580, 22840, 40541, 45160, 80159, 81082, 160318, 162164, 202705, 320636, 324328, 400795, 405410, 641272, 644659, 801590, 810820, 1289318, 1603180, 1621640, 2578636, 3206360, 3223295, 5157272, 6446590, 12893180, 25786360, 45770789, 91541578, 183083156, 228853945, 366166312, 457707890, 915415780, 1830831560]

約数ペア:

[(1, 1830831560), (2, 915415780), (4, 457707890), (5, 366166312), (8, 228853945), (10, 183083156), (20, 91541578), (40, 45770789), (71, 25786360), (142, 12893180), (284, 6446590), (355, 5157272), (568, 3223295), (571, 3206360), (710, 2578636), (1129, 1621640), (1142, 1603180), (1420, 1289318), (2258, 810820), (2284, 801590), (2840, 644659), (2855, 641272), (4516, 405410), (4568, 400795), (5645, 324328), (5710, 320636), (9032, 202705), (11290, 162164), (11420, 160318), (22580, 81082), (22840, 80159), (40541, 45160)]