72707680

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23917}}^1$

素因数の和:23951

約数の個数: 48

約数和(自身を含む): 180820080

約数和(自身を除く): 108112400

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 23917, 47834, 95668, 119585, 191336, 239170, 382672, 454423, 478340, 765344, 908846, 956680, 1817692, 1913360, 2272115, 3635384, 3826720, 4544230, 7270768, 9088460, 14541536, 18176920, 36353840, 72707680]

約数ペア:

[(1, 72707680), (2, 36353840), (4, 18176920), (5, 14541536), (8, 9088460), (10, 7270768), (16, 4544230), (19, 3826720), (20, 3635384), (32, 2272115), (38, 1913360), (40, 1817692), (76, 956680), (80, 908846), (95, 765344), (152, 478340), (160, 454423), (190, 382672), (304, 239170), (380, 191336), (608, 119585), (760, 95668), (1520, 47834), (3040, 23917)]