68268640

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{491}}^1$

素因数の和:596

約数の個数: 96

約数和(自身を含む): 178536960

約数和(自身を除く): 110268320

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 79, 80, 88, 110, 158, 160, 176, 220, 316, 352, 395, 440, 491, 632, 790, 869, 880, 982, 1264, 1580, 1738, 1760, 1964, 2455, 2528, 3160, 3476, 3928, 4345, 4910, 5401, 6320, 6952, 7856, 8690, 9820, 10802, 12640, 13904, 15712, 17380, 19640, 21604, 27005, 27808, 34760, 38789, 39280, 43208, 54010, 69520, 77578, 78560, 86416, 108020, 139040, 155156, 172832, 193945, 216040, 310312, 387890, 426679, 432080, 620624, 775780, 853358, 864160, 1241248, 1551560, 1706716, 2133395, 3103120, 3413432, 4266790, 6206240, 6826864, 8533580, 13653728, 17067160, 34134320, 68268640]

約数ペア:

[(1, 68268640), (2, 34134320), (4, 17067160), (5, 13653728), (8, 8533580), (10, 6826864), (11, 6206240), (16, 4266790), (20, 3413432), (22, 3103120), (32, 2133395), (40, 1706716), (44, 1551560), (55, 1241248), (79, 864160), (80, 853358), (88, 775780), (110, 620624), (158, 432080), (160, 426679), (176, 387890), (220, 310312), (316, 216040), (352, 193945), (395, 172832), (440, 155156), (491, 139040), (632, 108020), (790, 86416), (869, 78560), (880, 77578), (982, 69520), (1264, 54010), (1580, 43208), (1738, 39280), (1760, 38789), (1964, 34760), (2455, 27808), (2528, 27005), (3160, 21604), (3476, 19640), (3928, 17380), (4345, 15712), (4910, 13904), (5401, 12640), (6320, 10802), (6952, 9820), (7856, 8690)]