80988960

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12979}}^1$

素因数の和:13010

約数の個数: 96

約数和(自身を含む): 274760640

約数和(自身を除く): 193771680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 65, 78, 80, 96, 104, 120, 130, 156, 160, 195, 208, 240, 260, 312, 390, 416, 480, 520, 624, 780, 1040, 1248, 1560, 2080, 3120, 6240, 12979, 25958, 38937, 51916, 64895, 77874, 103832, 129790, 155748, 168727, 194685, 207664, 259580, 311496, 337454, 389370, 415328, 506181, 519160, 622992, 674908, 778740, 843635, 1012362, 1038320, 1245984, 1349816, 1557480, 1687270, 2024724, 2076640, 2530905, 2699632, 3114960, 3374540, 4049448, 5061810, 5399264, 6229920, 6749080, 8098896, 10123620, 13498160, 16197792, 20247240, 26996320, 40494480, 80988960]

約数ペア:

[(1, 80988960), (2, 40494480), (3, 26996320), (4, 20247240), (5, 16197792), (6, 13498160), (8, 10123620), (10, 8098896), (12, 6749080), (13, 6229920), (15, 5399264), (16, 5061810), (20, 4049448), (24, 3374540), (26, 3114960), (30, 2699632), (32, 2530905), (39, 2076640), (40, 2024724), (48, 1687270), (52, 1557480), (60, 1349816), (65, 1245984), (78, 1038320), (80, 1012362), (96, 843635), (104, 778740), (120, 674908), (130, 622992), (156, 519160), (160, 506181), (195, 415328), (208, 389370), (240, 337454), (260, 311496), (312, 259580), (390, 207664), (416, 194685), (480, 168727), (520, 155748), (624, 129790), (780, 103832), (1040, 77874), (1248, 64895), (1560, 51916), (2080, 38937), (3120, 25958), (6240, 12979)]