649879380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{677}}^1\times {\mathrm{5333}}^1$

素因数の和:6025

約数の個数: 72

約数和(自身を含む): 1974582792

約数和(自身を除く): 1324703412

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 677, 1354, 2031, 2708, 3385, 4062, 5333, 6093, 6770, 8124, 10155, 10666, 12186, 13540, 15999, 20310, 21332, 24372, 26665, 30465, 31998, 40620, 47997, 53330, 60930, 63996, 79995, 95994, 106660, 121860, 159990, 191988, 239985, 319980, 479970, 959940, 3610441, 7220882, 10831323, 14441764, 18052205, 21662646, 32493969, 36104410, 43325292, 54156615, 64987938, 72208820, 108313230, 129975876, 162469845, 216626460, 324939690, 649879380]

約数ペア:

[(1, 649879380), (2, 324939690), (3, 216626460), (4, 162469845), (5, 129975876), (6, 108313230), (9, 72208820), (10, 64987938), (12, 54156615), (15, 43325292), (18, 36104410), (20, 32493969), (30, 21662646), (36, 18052205), (45, 14441764), (60, 10831323), (90, 7220882), (180, 3610441), (677, 959940), (1354, 479970), (2031, 319980), (2708, 239985), (3385, 191988), (4062, 159990), (5333, 121860), (6093, 106660), (6770, 95994), (8124, 79995), (10155, 63996), (10666, 60930), (12186, 53330), (13540, 47997), (15999, 40620), (20310, 31998), (21332, 30465), (24372, 26665)]