31133880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{439}}^1$

素因数の和:653

約数の個数: 96

約数和(自身を含む): 101930400

約数和(自身を除く): 70796520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 197, 360, 394, 439, 591, 788, 878, 985, 1182, 1317, 1576, 1756, 1773, 1970, 2195, 2364, 2634, 2955, 3512, 3546, 3940, 3951, 4390, 4728, 5268, 5910, 6585, 7092, 7880, 7902, 8780, 8865, 10536, 11820, 13170, 14184, 15804, 17560, 17730, 19755, 23640, 26340, 31608, 35460, 39510, 52680, 70920, 79020, 86483, 158040, 172966, 259449, 345932, 432415, 518898, 691864, 778347, 864830, 1037796, 1297245, 1556694, 1729660, 2075592, 2594490, 3113388, 3459320, 3891735, 5188980, 6226776, 7783470, 10377960, 15566940, 31133880]

約数ペア:

[(1, 31133880), (2, 15566940), (3, 10377960), (4, 7783470), (5, 6226776), (6, 5188980), (8, 3891735), (9, 3459320), (10, 3113388), (12, 2594490), (15, 2075592), (18, 1729660), (20, 1556694), (24, 1297245), (30, 1037796), (36, 864830), (40, 778347), (45, 691864), (60, 518898), (72, 432415), (90, 345932), (120, 259449), (180, 172966), (197, 158040), (360, 86483), (394, 79020), (439, 70920), (591, 52680), (788, 39510), (878, 35460), (985, 31608), (1182, 26340), (1317, 23640), (1576, 19755), (1756, 17730), (1773, 17560), (1970, 15804), (2195, 14184), (2364, 13170), (2634, 11820), (2955, 10536), (3512, 8865), (3546, 8780), (3940, 7902), (3951, 7880), (4390, 7092), (4728, 6585), (5268, 5910)]