390787920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{542761}}^1$

素因数の和:542780

約数の個数: 60

約数和(自身を含む): 1312398516

約数和(自身を除く): 921610596

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, 542761, 1085522, 1628283, 2171044, 2713805, 3256566, 4342088, 4884849, 5427610, 6513132, 8141415, 8684176, 9769698, 10855220, 13026264, 16282830, 19539396, 21710440, 24424245, 26052528, 32565660, 39078792, 43420880, 48848490, 65131320, 78157584, 97696980, 130262640, 195393960, 390787920]

約数ペア:

[(1, 390787920), (2, 195393960), (3, 130262640), (4, 97696980), (5, 78157584), (6, 65131320), (8, 48848490), (9, 43420880), (10, 39078792), (12, 32565660), (15, 26052528), (16, 24424245), (18, 21710440), (20, 19539396), (24, 16282830), (30, 13026264), (36, 10855220), (40, 9769698), (45, 8684176), (48, 8141415), (60, 6513132), (72, 5427610), (80, 4884849), (90, 4342088), (120, 3256566), (144, 2713805), (180, 2171044), (240, 1628283), (360, 1085522), (720, 542761)]