68817760

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{641}}^1$

素因数の和:728

約数の個数: 96

約数和(自身を含む): 180550944

約数和(自身を除く): 111733184

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 61, 80, 88, 110, 122, 160, 176, 220, 244, 305, 352, 440, 488, 610, 641, 671, 880, 976, 1220, 1282, 1342, 1760, 1952, 2440, 2564, 2684, 3205, 3355, 4880, 5128, 5368, 6410, 6710, 7051, 9760, 10256, 10736, 12820, 13420, 14102, 20512, 21472, 25640, 26840, 28204, 35255, 39101, 51280, 53680, 56408, 70510, 78202, 102560, 107360, 112816, 141020, 156404, 195505, 225632, 282040, 312808, 391010, 430111, 564080, 625616, 782020, 860222, 1128160, 1251232, 1564040, 1720444, 2150555, 3128080, 3440888, 4301110, 6256160, 6881776, 8602220, 13763552, 17204440, 34408880, 68817760]

約数ペア:

[(1, 68817760), (2, 34408880), (4, 17204440), (5, 13763552), (8, 8602220), (10, 6881776), (11, 6256160), (16, 4301110), (20, 3440888), (22, 3128080), (32, 2150555), (40, 1720444), (44, 1564040), (55, 1251232), (61, 1128160), (80, 860222), (88, 782020), (110, 625616), (122, 564080), (160, 430111), (176, 391010), (220, 312808), (244, 282040), (305, 225632), (352, 195505), (440, 156404), (488, 141020), (610, 112816), (641, 107360), (671, 102560), (880, 78202), (976, 70510), (1220, 56408), (1282, 53680), (1342, 51280), (1760, 39101), (1952, 35255), (2440, 28204), (2564, 26840), (2684, 25640), (3205, 21472), (3355, 20512), (4880, 14102), (5128, 13420), (5368, 12820), (6410, 10736), (6710, 10256), (7051, 9760)]