31097040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9967}}^1$

素因数の和:9996

約数の個数: 80

約数和(自身を含む): 103826688

約数和(自身を除く): 72729648

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 9967, 19934, 29901, 39868, 49835, 59802, 79736, 99670, 119604, 129571, 149505, 159472, 199340, 239208, 259142, 299010, 388713, 398680, 478416, 518284, 598020, 647855, 777426, 797360, 1036568, 1196040, 1295710, 1554852, 1943565, 2073136, 2392080, 2591420, 3109704, 3887130, 5182840, 6219408, 7774260, 10365680, 15548520, 31097040]

約数ペア:

[(1, 31097040), (2, 15548520), (3, 10365680), (4, 7774260), (5, 6219408), (6, 5182840), (8, 3887130), (10, 3109704), (12, 2591420), (13, 2392080), (15, 2073136), (16, 1943565), (20, 1554852), (24, 1295710), (26, 1196040), (30, 1036568), (39, 797360), (40, 777426), (48, 647855), (52, 598020), (60, 518284), (65, 478416), (78, 398680), (80, 388713), (104, 299010), (120, 259142), (130, 239208), (156, 199340), (195, 159472), (208, 149505), (240, 129571), (260, 119604), (312, 99670), (390, 79736), (520, 59802), (624, 49835), (780, 39868), (1040, 29901), (1560, 19934), (3120, 9967)]