72720320

素因数分解:

$2^6\times 5^1\times {\mathrm{227251}}^1$

素因数の和:227268

約数の個数: 28

約数和(自身を含む): 173166024

約数和(自身を除く): 100445704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 227251, 454502, 909004, 1136255, 1818008, 2272510, 3636016, 4545020, 7272032, 9090040, 14544064, 18180080, 36360160, 72720320]

約数ペア:

[(1, 72720320), (2, 36360160), (4, 18180080), (5, 14544064), (8, 9090040), (10, 7272032), (16, 4545020), (20, 3636016), (32, 2272510), (40, 1818008), (64, 1136255), (80, 909004), (160, 454502), (320, 227251)]