31989160

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{859}}^1$

素因数の和:903

約数の個数: 96

約数和(自身を含む): 88236000

約数和(自身を除く): 56246840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 49, 56, 70, 76, 95, 98, 133, 140, 152, 190, 196, 245, 266, 280, 380, 392, 490, 532, 665, 760, 859, 931, 980, 1064, 1330, 1718, 1862, 1960, 2660, 3436, 3724, 4295, 4655, 5320, 6013, 6872, 7448, 8590, 9310, 12026, 16321, 17180, 18620, 24052, 30065, 32642, 34360, 37240, 42091, 48104, 60130, 65284, 81605, 84182, 114247, 120260, 130568, 163210, 168364, 210455, 228494, 240520, 326420, 336728, 420910, 456988, 571235, 652840, 799729, 841820, 913976, 1142470, 1599458, 1683640, 2284940, 3198916, 3998645, 4569880, 6397832, 7997290, 15994580, 31989160]

約数ペア:

[(1, 31989160), (2, 15994580), (4, 7997290), (5, 6397832), (7, 4569880), (8, 3998645), (10, 3198916), (14, 2284940), (19, 1683640), (20, 1599458), (28, 1142470), (35, 913976), (38, 841820), (40, 799729), (49, 652840), (56, 571235), (70, 456988), (76, 420910), (95, 336728), (98, 326420), (133, 240520), (140, 228494), (152, 210455), (190, 168364), (196, 163210), (245, 130568), (266, 120260), (280, 114247), (380, 84182), (392, 81605), (490, 65284), (532, 60130), (665, 48104), (760, 42091), (859, 37240), (931, 34360), (980, 32642), (1064, 30065), (1330, 24052), (1718, 18620), (1862, 17180), (1960, 16321), (2660, 12026), (3436, 9310), (3724, 8590), (4295, 7448), (4655, 6872), (5320, 6013)]