397380240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{551917}}^1$

素因数の和:551936

約数の個数: 60

約数和(自身を含む): 1334537724

約数和(自身を除く): 937157484

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, 551917, 1103834, 1655751, 2207668, 2759585, 3311502, 4415336, 4967253, 5519170, 6623004, 8278755, 8830672, 9934506, 11038340, 13246008, 16557510, 19869012, 22076680, 24836265, 26492016, 33115020, 39738024, 44153360, 49672530, 66230040, 79476048, 99345060, 132460080, 198690120, 397380240]

約数ペア:

[(1, 397380240), (2, 198690120), (3, 132460080), (4, 99345060), (5, 79476048), (6, 66230040), (8, 49672530), (9, 44153360), (10, 39738024), (12, 33115020), (15, 26492016), (16, 24836265), (18, 22076680), (20, 19869012), (24, 16557510), (30, 13246008), (36, 11038340), (40, 9934506), (45, 8830672), (48, 8278755), (60, 6623004), (72, 5519170), (80, 4967253), (90, 4415336), (120, 3311502), (144, 2759585), (180, 2207668), (240, 1655751), (360, 1103834), (720, 551917)]