81617200

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{283}}^1$

素因数の和:411

約数の個数: 120

約数和(自身を含む): 227072768

約数和(自身を除く): 145455568

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 103, 112, 140, 175, 200, 206, 280, 283, 350, 400, 412, 515, 560, 566, 700, 721, 824, 1030, 1132, 1400, 1415, 1442, 1648, 1981, 2060, 2264, 2575, 2800, 2830, 2884, 3605, 3962, 4120, 4528, 5150, 5660, 5768, 7075, 7210, 7924, 8240, 9905, 10300, 11320, 11536, 14150, 14420, 15848, 18025, 19810, 20600, 22640, 28300, 28840, 29149, 31696, 36050, 39620, 41200, 49525, 56600, 57680, 58298, 72100, 79240, 99050, 113200, 116596, 144200, 145745, 158480, 198100, 204043, 233192, 288400, 291490, 396200, 408086, 466384, 582980, 728725, 792400, 816172, 1020215, 1165960, 1457450, 1632344, 2040430, 2331920, 2914900, 3264688, 4080860, 5101075, 5829800, 8161720, 10202150, 11659600, 16323440, 20404300, 40808600, 81617200]

約数ペア:

[(1, 81617200), (2, 40808600), (4, 20404300), (5, 16323440), (7, 11659600), (8, 10202150), (10, 8161720), (14, 5829800), (16, 5101075), (20, 4080860), (25, 3264688), (28, 2914900), (35, 2331920), (40, 2040430), (50, 1632344), (56, 1457450), (70, 1165960), (80, 1020215), (100, 816172), (103, 792400), (112, 728725), (140, 582980), (175, 466384), (200, 408086), (206, 396200), (280, 291490), (283, 288400), (350, 233192), (400, 204043), (412, 198100), (515, 158480), (560, 145745), (566, 144200), (700, 116596), (721, 113200), (824, 99050), (1030, 79240), (1132, 72100), (1400, 58298), (1415, 57680), (1442, 56600), (1648, 49525), (1981, 41200), (2060, 39620), (2264, 36050), (2575, 31696), (2800, 29149), (2830, 28840), (2884, 28300), (3605, 22640), (3962, 20600), (4120, 19810), (4528, 18025), (5150, 15848), (5660, 14420), (5768, 14150), (7075, 11536), (7210, 11320), (7924, 10300), (8240, 9905)]