121652720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1993}}^1$

素因数の和:2122

約数の個数: 80

約数和(自身を含む): 326377920

約数和(自身を除く): 204725200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 109, 112, 140, 218, 280, 436, 545, 560, 763, 872, 1090, 1526, 1744, 1993, 2180, 3052, 3815, 3986, 4360, 6104, 7630, 7972, 8720, 9965, 12208, 13951, 15260, 15944, 19930, 27902, 30520, 31888, 39860, 55804, 61040, 69755, 79720, 111608, 139510, 159440, 217237, 223216, 279020, 434474, 558040, 868948, 1086185, 1116080, 1520659, 1737896, 2172370, 3041318, 3475792, 4344740, 6082636, 7603295, 8689480, 12165272, 15206590, 17378960, 24330544, 30413180, 60826360, 121652720]

約数ペア:

[(1, 121652720), (2, 60826360), (4, 30413180), (5, 24330544), (7, 17378960), (8, 15206590), (10, 12165272), (14, 8689480), (16, 7603295), (20, 6082636), (28, 4344740), (35, 3475792), (40, 3041318), (56, 2172370), (70, 1737896), (80, 1520659), (109, 1116080), (112, 1086185), (140, 868948), (218, 558040), (280, 434474), (436, 279020), (545, 223216), (560, 217237), (763, 159440), (872, 139510), (1090, 111608), (1526, 79720), (1744, 69755), (1993, 61040), (2180, 55804), (3052, 39860), (3815, 31888), (3986, 30520), (4360, 27902), (6104, 19930), (7630, 15944), (7972, 15260), (8720, 13951), (9965, 12208)]