181729260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{21481}}^1$

素因数の和:21543

約数の個数: 72

約数和(自身を含む): 563000256

約数和(自身を除く): 381270996

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 60, 90, 94, 141, 180, 188, 235, 282, 423, 470, 564, 705, 846, 940, 1410, 1692, 2115, 2820, 4230, 8460, 21481, 42962, 64443, 85924, 107405, 128886, 193329, 214810, 257772, 322215, 386658, 429620, 644430, 773316, 966645, 1009607, 1288860, 1933290, 2019214, 3028821, 3866580, 4038428, 5048035, 6057642, 9086463, 10096070, 12115284, 15144105, 18172926, 20192140, 30288210, 36345852, 45432315, 60576420, 90864630, 181729260]

約数ペア:

[(1, 181729260), (2, 90864630), (3, 60576420), (4, 45432315), (5, 36345852), (6, 30288210), (9, 20192140), (10, 18172926), (12, 15144105), (15, 12115284), (18, 10096070), (20, 9086463), (30, 6057642), (36, 5048035), (45, 4038428), (47, 3866580), (60, 3028821), (90, 2019214), (94, 1933290), (141, 1288860), (180, 1009607), (188, 966645), (235, 773316), (282, 644430), (423, 429620), (470, 386658), (564, 322215), (705, 257772), (846, 214810), (940, 193329), (1410, 128886), (1692, 107405), (2115, 85924), (2820, 64443), (4230, 42962), (8460, 21481)]