161557920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{743}}^1$

素因数の和:915

約数の個数: 144

約数和(自身を含む): 555714432

約数和(自身を除く): 394156512

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 151, 160, 180, 240, 288, 302, 360, 453, 480, 604, 720, 743, 755, 906, 1208, 1359, 1440, 1486, 1510, 1812, 2229, 2265, 2416, 2718, 2972, 3020, 3624, 3715, 4458, 4530, 4832, 5436, 5944, 6040, 6687, 6795, 7248, 7430, 8916, 9060, 10872, 11145, 11888, 12080, 13374, 13590, 14496, 14860, 17832, 18120, 21744, 22290, 23776, 24160, 26748, 27180, 29720, 33435, 35664, 36240, 43488, 44580, 53496, 54360, 59440, 66870, 71328, 72480, 89160, 106992, 108720, 112193, 118880, 133740, 178320, 213984, 217440, 224386, 267480, 336579, 356640, 448772, 534960, 560965, 673158, 897544, 1009737, 1069920, 1121930, 1346316, 1682895, 1795088, 2019474, 2243860, 2692632, 3365790, 3590176, 4038948, 4487720, 5048685, 5385264, 6731580, 8077896, 8975440, 10097370, 10770528, 13463160, 16155792, 17950880, 20194740, 26926320, 32311584, 40389480, 53852640, 80778960, 161557920]

約数ペア:

[(1, 161557920), (2, 80778960), (3, 53852640), (4, 40389480), (5, 32311584), (6, 26926320), (8, 20194740), (9, 17950880), (10, 16155792), (12, 13463160), (15, 10770528), (16, 10097370), (18, 8975440), (20, 8077896), (24, 6731580), (30, 5385264), (32, 5048685), (36, 4487720), (40, 4038948), (45, 3590176), (48, 3365790), (60, 2692632), (72, 2243860), (80, 2019474), (90, 1795088), (96, 1682895), (120, 1346316), (144, 1121930), (151, 1069920), (160, 1009737), (180, 897544), (240, 673158), (288, 560965), (302, 534960), (360, 448772), (453, 356640), (480, 336579), (604, 267480), (720, 224386), (743, 217440), (755, 213984), (906, 178320), (1208, 133740), (1359, 118880), (1440, 112193), (1486, 108720), (1510, 106992), (1812, 89160), (2229, 72480), (2265, 71328), (2416, 66870), (2718, 59440), (2972, 54360), (3020, 53496), (3624, 44580), (3715, 43488), (4458, 36240), (4530, 35664), (4832, 33435), (5436, 29720), (5944, 27180), (6040, 26748), (6687, 24160), (6795, 23776), (7248, 22290), (7430, 21744), (8916, 18120), (9060, 17832), (10872, 14860), (11145, 14496), (11888, 13590), (12080, 13374)]