64640880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{89779}}^1$

素因数の和:89798

約数の個数: 60

約数和(自身を含む): 217088040

約数和(自身を除く): 152447160

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, 89779, 179558, 269337, 359116, 448895, 538674, 718232, 808011, 897790, 1077348, 1346685, 1436464, 1616022, 1795580, 2154696, 2693370, 3232044, 3591160, 4040055, 4309392, 5386740, 6464088, 7182320, 8080110, 10773480, 12928176, 16160220, 21546960, 32320440, 64640880]

約数ペア:

[(1, 64640880), (2, 32320440), (3, 21546960), (4, 16160220), (5, 12928176), (6, 10773480), (8, 8080110), (9, 7182320), (10, 6464088), (12, 5386740), (15, 4309392), (16, 4040055), (18, 3591160), (20, 3232044), (24, 2693370), (30, 2154696), (36, 1795580), (40, 1616022), (45, 1436464), (48, 1346685), (60, 1077348), (72, 897790), (80, 808011), (90, 718232), (120, 538674), (144, 448895), (180, 359116), (240, 269337), (360, 179558), (720, 89779)]