72718720

素因数分解:

$2^7\times 5^1\times {\mathrm{113623}}^1$

素因数の和:113642

約数の個数: 32

約数和(自身を含む): 173844720

約数和(自身を除く): 101126000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 113623, 227246, 454492, 568115, 908984, 1136230, 1817968, 2272460, 3635936, 4544920, 7271872, 9089840, 14543744, 18179680, 36359360, 72718720]

約数ペア:

[(1, 72718720), (2, 36359360), (4, 18179680), (5, 14543744), (8, 9089840), (10, 7271872), (16, 4544920), (20, 3635936), (32, 2272460), (40, 1817968), (64, 1136230), (80, 908984), (128, 568115), (160, 454492), (320, 227246), (640, 113623)]