256327740

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{158227}}^1$

素因数の和:158248

約数の個数: 60

約数和(自身を含む): 804114696

約数和(自身を除く): 547786956

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 158227, 316454, 474681, 632908, 791135, 949362, 1424043, 1582270, 1898724, 2373405, 2848086, 3164540, 4272129, 4746810, 5696172, 7120215, 8544258, 9493620, 12816387, 14240430, 17088516, 21360645, 25632774, 28480860, 42721290, 51265548, 64081935, 85442580, 128163870, 256327740]

約数ペア:

[(1, 256327740), (2, 128163870), (3, 85442580), (4, 64081935), (5, 51265548), (6, 42721290), (9, 28480860), (10, 25632774), (12, 21360645), (15, 17088516), (18, 14240430), (20, 12816387), (27, 9493620), (30, 8544258), (36, 7120215), (45, 5696172), (54, 4746810), (60, 4272129), (81, 3164540), (90, 2848086), (108, 2373405), (135, 1898724), (162, 1582270), (180, 1424043), (270, 949362), (324, 791135), (405, 632908), (540, 474681), (810, 316454), (1620, 158227)]