209248560

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{290623}}^1$

素因数の和:290642

約数の個数: 60

約数和(自身を含む): 702728832

約数和(自身を除く): 493480272

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 290623, 581246, 871869, 1162492, 1453115, 1743738, 2324984, 2615607, 2906230, 3487476, 4359345, 4649968, 5231214, 5812460, 6974952, 8718690, 10462428, 11624920, 13078035, 13949904, 17437380, 20924856, 23249840, 26156070, 34874760, 41849712, 52312140, 69749520, 104624280, 209248560]

約数ペア:

[(1, 209248560), (2, 104624280), (3, 69749520), (4, 52312140), (5, 41849712), (6, 34874760), (8, 26156070), (9, 23249840), (10, 20924856), (12, 17437380), (15, 13949904), (16, 13078035), (18, 11624920), (20, 10462428), (24, 8718690), (30, 6974952), (36, 5812460), (40, 5231214), (45, 4649968), (48, 4359345), (60, 3487476), (72, 2906230), (80, 2615607), (90, 2324984), (120, 1743738), (144, 1453115), (180, 1162492), (240, 871869), (360, 581246), (720, 290623)]