161977920

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12979}}^1$

素因数の和:13012

約数の個数: 112

約数和(自身を含む): 553882560

約数和(自身を除く): 391904640

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, 64, 65, 78, 80, 96, 104, 120, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 390, 416, 480, 520, 624, 780, 832, 960, 1040, 1248, 1560, 2080, 2496, 3120, 4160, 6240, 12480, 12979, 25958, 38937, 51916, 64895, 77874, 103832, 129790, 155748, 168727, 194685, 207664, 259580, 311496, 337454, 389370, 415328, 506181, 519160, 622992, 674908, 778740, 830656, 843635, 1012362, 1038320, 1245984, 1349816, 1557480, 1687270, 2024724, 2076640, 2491968, 2530905, 2699632, 3114960, 3374540, 4049448, 4153280, 5061810, 5399264, 6229920, 6749080, 8098896, 10123620, 10798528, 12459840, 13498160, 16197792, 20247240, 26996320, 32395584, 40494480, 53992640, 80988960, 161977920]

約数ペア:

[(1, 161977920), (2, 80988960), (3, 53992640), (4, 40494480), (5, 32395584), (6, 26996320), (8, 20247240), (10, 16197792), (12, 13498160), (13, 12459840), (15, 10798528), (16, 10123620), (20, 8098896), (24, 6749080), (26, 6229920), (30, 5399264), (32, 5061810), (39, 4153280), (40, 4049448), (48, 3374540), (52, 3114960), (60, 2699632), (64, 2530905), (65, 2491968), (78, 2076640), (80, 2024724), (96, 1687270), (104, 1557480), (120, 1349816), (130, 1245984), (156, 1038320), (160, 1012362), (192, 843635), (195, 830656), (208, 778740), (240, 674908), (260, 622992), (312, 519160), (320, 506181), (390, 415328), (416, 389370), (480, 337454), (520, 311496), (624, 259580), (780, 207664), (832, 194685), (960, 168727), (1040, 155748), (1248, 129790), (1560, 103832), (2080, 77874), (2496, 64895), (3120, 51916), (4160, 38937), (6240, 25958), (12480, 12979)]