164531920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{1283}}^1$

素因数の和:1532

約数の個数: 80

約数和(自身を含む): 439436160

約数和(自身を除く): 274904240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 229, 280, 458, 560, 916, 1145, 1283, 1603, 1832, 2290, 2566, 3206, 3664, 4580, 5132, 6412, 6415, 8015, 8981, 9160, 10264, 12824, 12830, 16030, 17962, 18320, 20528, 25648, 25660, 32060, 35924, 44905, 51320, 64120, 71848, 89810, 102640, 128240, 143696, 179620, 293807, 359240, 587614, 718480, 1175228, 1469035, 2056649, 2350456, 2938070, 4113298, 4700912, 5876140, 8226596, 10283245, 11752280, 16453192, 20566490, 23504560, 32906384, 41132980, 82265960, 164531920]

約数ペア:

[(1, 164531920), (2, 82265960), (4, 41132980), (5, 32906384), (7, 23504560), (8, 20566490), (10, 16453192), (14, 11752280), (16, 10283245), (20, 8226596), (28, 5876140), (35, 4700912), (40, 4113298), (56, 2938070), (70, 2350456), (80, 2056649), (112, 1469035), (140, 1175228), (229, 718480), (280, 587614), (458, 359240), (560, 293807), (916, 179620), (1145, 143696), (1283, 128240), (1603, 102640), (1832, 89810), (2290, 71848), (2566, 64120), (3206, 51320), (3664, 44905), (4580, 35924), (5132, 32060), (6412, 25660), (6415, 25648), (8015, 20528), (8981, 18320), (9160, 17962), (10264, 16030), (12824, 12830)]