254407440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{151433}}^1$

素因数の和:151456

約数の個数: 80

約数和(自身を含む): 901335168

約数和(自身を除く): 646927728

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 151433, 302866, 454299, 605732, 757165, 908598, 1060031, 1211464, 1514330, 1817196, 2120062, 2271495, 2422928, 3028660, 3180093, 3634392, 4240124, 4542990, 5300155, 6057320, 6360186, 7268784, 8480248, 9085980, 10600310, 12114640, 12720372, 15900465, 16960496, 18171960, 21200620, 25440744, 31800930, 36343920, 42401240, 50881488, 63601860, 84802480, 127203720, 254407440]

約数ペア:

[(1, 254407440), (2, 127203720), (3, 84802480), (4, 63601860), (5, 50881488), (6, 42401240), (7, 36343920), (8, 31800930), (10, 25440744), (12, 21200620), (14, 18171960), (15, 16960496), (16, 15900465), (20, 12720372), (21, 12114640), (24, 10600310), (28, 9085980), (30, 8480248), (35, 7268784), (40, 6360186), (42, 6057320), (48, 5300155), (56, 4542990), (60, 4240124), (70, 3634392), (80, 3180093), (84, 3028660), (105, 2422928), (112, 2271495), (120, 2120062), (140, 1817196), (168, 1514330), (210, 1211464), (240, 1060031), (280, 908598), (336, 757165), (420, 605732), (560, 454299), (840, 302866), (1680, 151433)]