2820603990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{263}}^1\times {\mathrm{389}}^1\times {\mathrm{919}}^1$

素因数の和:1581

約数の個数: 64

約数和(自身を含む): 6820070400

約数和(自身を除く): 3999466410

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 263, 389, 526, 778, 789, 919, 1167, 1315, 1578, 1838, 1945, 2334, 2630, 2757, 3890, 3945, 4595, 5514, 5835, 7890, 9190, 11670, 13785, 27570, 102307, 204614, 241697, 306921, 357491, 483394, 511535, 613842, 714982, 725091, 1023070, 1072473, 1208485, 1450182, 1534605, 1787455, 2144946, 2416970, 3069210, 3574910, 3625455, 5362365, 7250910, 10724730, 94020133, 188040266, 282060399, 470100665, 564120798, 940201330, 1410301995, 2820603990]

約数ペア:

[(1, 2820603990), (2, 1410301995), (3, 940201330), (5, 564120798), (6, 470100665), (10, 282060399), (15, 188040266), (30, 94020133), (263, 10724730), (389, 7250910), (526, 5362365), (778, 3625455), (789, 3574910), (919, 3069210), (1167, 2416970), (1315, 2144946), (1578, 1787455), (1838, 1534605), (1945, 1450182), (2334, 1208485), (2630, 1072473), (2757, 1023070), (3890, 725091), (3945, 714982), (4595, 613842), (5514, 511535), (5835, 483394), (7890, 357491), (9190, 306921), (11670, 241697), (13785, 204614), (27570, 102307)]