12885320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2707}}^1$

素因数の和:2742

約数の個数: 64

約数和(自身を含む): 35095680

約数和(自身を除く): 22210360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 340, 476, 595, 680, 952, 1190, 2380, 2707, 4760, 5414, 10828, 13535, 18949, 21656, 27070, 37898, 46019, 54140, 75796, 92038, 94745, 108280, 151592, 184076, 189490, 230095, 322133, 368152, 378980, 460190, 644266, 757960, 920380, 1288532, 1610665, 1840760, 2577064, 3221330, 6442660, 12885320]

約数ペア:

[(1, 12885320), (2, 6442660), (4, 3221330), (5, 2577064), (7, 1840760), (8, 1610665), (10, 1288532), (14, 920380), (17, 757960), (20, 644266), (28, 460190), (34, 378980), (35, 368152), (40, 322133), (56, 230095), (68, 189490), (70, 184076), (85, 151592), (119, 108280), (136, 94745), (140, 92038), (170, 75796), (238, 54140), (280, 46019), (340, 37898), (476, 27070), (595, 21656), (680, 18949), (952, 13535), (1190, 10828), (2380, 5414), (2707, 4760)]