253780240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{7681}}^1$

素因数の和:7760

約数の個数: 80

約数和(自身を含む): 685848960

約数和(自身を除く): 432068720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 59, 70, 80, 112, 118, 140, 236, 280, 295, 413, 472, 560, 590, 826, 944, 1180, 1652, 2065, 2360, 3304, 4130, 4720, 6608, 7681, 8260, 15362, 16520, 30724, 33040, 38405, 53767, 61448, 76810, 107534, 122896, 153620, 215068, 268835, 307240, 430136, 453179, 537670, 614480, 860272, 906358, 1075340, 1812716, 2150680, 2265895, 3172253, 3625432, 4301360, 4531790, 6344506, 7250864, 9063580, 12689012, 15861265, 18127160, 25378024, 31722530, 36254320, 50756048, 63445060, 126890120, 253780240]

約数ペア:

[(1, 253780240), (2, 126890120), (4, 63445060), (5, 50756048), (7, 36254320), (8, 31722530), (10, 25378024), (14, 18127160), (16, 15861265), (20, 12689012), (28, 9063580), (35, 7250864), (40, 6344506), (56, 4531790), (59, 4301360), (70, 3625432), (80, 3172253), (112, 2265895), (118, 2150680), (140, 1812716), (236, 1075340), (280, 906358), (295, 860272), (413, 614480), (472, 537670), (560, 453179), (590, 430136), (826, 307240), (944, 268835), (1180, 215068), (1652, 153620), (2065, 122896), (2360, 107534), (3304, 76810), (4130, 61448), (4720, 53767), (6608, 38405), (7681, 33040), (8260, 30724), (15362, 16520)]