87787280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{2657}}^1$

素因数の和:2736

約数の個数: 80

約数和(自身を含む): 237306240

約数和(自身を除く): 149518960

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, 2657, 3304, 4130, 4720, 5314, 6608, 8260, 10628, 13285, 16520, 18599, 21256, 26570, 33040, 37198, 42512, 53140, 74396, 92995, 106280, 148792, 156763, 185990, 212560, 297584, 313526, 371980, 627052, 743960, 783815, 1097341, 1254104, 1487920, 1567630, 2194682, 2508208, 3135260, 4389364, 5486705, 6270520, 8778728, 10973410, 12541040, 17557456, 21946820, 43893640, 87787280]

約数ペア:

[(1, 87787280), (2, 43893640), (4, 21946820), (5, 17557456), (7, 12541040), (8, 10973410), (10, 8778728), (14, 6270520), (16, 5486705), (20, 4389364), (28, 3135260), (35, 2508208), (40, 2194682), (56, 1567630), (59, 1487920), (70, 1254104), (80, 1097341), (112, 783815), (118, 743960), (140, 627052), (236, 371980), (280, 313526), (295, 297584), (413, 212560), (472, 185990), (560, 156763), (590, 148792), (826, 106280), (944, 92995), (1180, 74396), (1652, 53140), (2065, 42512), (2360, 37198), (2657, 33040), (3304, 26570), (4130, 21256), (4720, 18599), (5314, 16520), (6608, 13285), (8260, 10628)]