68913280

素因数分解:

$2^7\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:174

約数の個数: 128

約数和(自身を含む): 176256000

約数和(自身を除く): 107342720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 47, 58, 64, 79, 80, 94, 116, 128, 145, 158, 160, 188, 232, 235, 290, 316, 320, 376, 395, 464, 470, 580, 632, 640, 752, 790, 928, 940, 1160, 1264, 1363, 1504, 1580, 1856, 1880, 2291, 2320, 2528, 2726, 3008, 3160, 3712, 3713, 3760, 4582, 4640, 5056, 5452, 6016, 6320, 6815, 7426, 7520, 9164, 9280, 10112, 10904, 11455, 12640, 13630, 14852, 15040, 18328, 18560, 18565, 21808, 22910, 25280, 27260, 29704, 30080, 36656, 37130, 43616, 45820, 50560, 54520, 59408, 73312, 74260, 87232, 91640, 107677, 109040, 118816, 146624, 148520, 174464, 183280, 215354, 218080, 237632, 293248, 297040, 366560, 430708, 436160, 475264, 538385, 594080, 733120, 861416, 872320, 1076770, 1188160, 1466240, 1722832, 2153540, 2376320, 3445664, 4307080, 6891328, 8614160, 13782656, 17228320, 34456640, 68913280]

約数ペア:

[(1, 68913280), (2, 34456640), (4, 17228320), (5, 13782656), (8, 8614160), (10, 6891328), (16, 4307080), (20, 3445664), (29, 2376320), (32, 2153540), (40, 1722832), (47, 1466240), (58, 1188160), (64, 1076770), (79, 872320), (80, 861416), (94, 733120), (116, 594080), (128, 538385), (145, 475264), (158, 436160), (160, 430708), (188, 366560), (232, 297040), (235, 293248), (290, 237632), (316, 218080), (320, 215354), (376, 183280), (395, 174464), (464, 148520), (470, 146624), (580, 118816), (632, 109040), (640, 107677), (752, 91640), (790, 87232), (928, 74260), (940, 73312), (1160, 59408), (1264, 54520), (1363, 50560), (1504, 45820), (1580, 43616), (1856, 37130), (1880, 36656), (2291, 30080), (2320, 29704), (2528, 27260), (2726, 25280), (3008, 22910), (3160, 21808), (3712, 18565), (3713, 18560), (3760, 18328), (4582, 15040), (4640, 14852), (5056, 13630), (5452, 12640), (6016, 11455), (6320, 10904), (6815, 10112), (7426, 9280), (7520, 9164)]