8381520

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{1663}}^1$

素因数の和:1689

約数の個数: 120

約数和(自身を含む): 32188416

約数和(自身を除く): 23806896

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1663, 1680, 2520, 3326, 4989, 5040, 6652, 8315, 9978, 11641, 13304, 14967, 16630, 19956, 23282, 24945, 26608, 29934, 33260, 34923, 39912, 46564, 49890, 58205, 59868, 66520, 69846, 74835, 79824, 93128, 99780, 104769, 116410, 119736, 133040, 139692, 149670, 174615, 186256, 199560, 209538, 232820, 239472, 279384, 299340, 349230, 399120, 419076, 465640, 523845, 558768, 598680, 698460, 838152, 931280, 1047690, 1197360, 1396920, 1676304, 2095380, 2793840, 4190760, 8381520]

約数ペア:

[(1, 8381520), (2, 4190760), (3, 2793840), (4, 2095380), (5, 1676304), (6, 1396920), (7, 1197360), (8, 1047690), (9, 931280), (10, 838152), (12, 698460), (14, 598680), (15, 558768), (16, 523845), (18, 465640), (20, 419076), (21, 399120), (24, 349230), (28, 299340), (30, 279384), (35, 239472), (36, 232820), (40, 209538), (42, 199560), (45, 186256), (48, 174615), (56, 149670), (60, 139692), (63, 133040), (70, 119736), (72, 116410), (80, 104769), (84, 99780), (90, 93128), (105, 79824), (112, 74835), (120, 69846), (126, 66520), (140, 59868), (144, 58205), (168, 49890), (180, 46564), (210, 39912), (240, 34923), (252, 33260), (280, 29934), (315, 26608), (336, 24945), (360, 23282), (420, 19956), (504, 16630), (560, 14967), (630, 13304), (720, 11641), (840, 9978), (1008, 8315), (1260, 6652), (1663, 5040), (1680, 4989), (2520, 3326)]