64232560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4987}}^1$

素因数の和:5030

約数の個数: 80

約数和(自身を含む): 178131456

約数和(自身を除く): 113898896

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2576, 3220, 4987, 6440, 9974, 12880, 19948, 24935, 34909, 39896, 49870, 69818, 79792, 99740, 114701, 139636, 174545, 199480, 229402, 279272, 349090, 398960, 458804, 558544, 573505, 698180, 802907, 917608, 1147010, 1396360, 1605814, 1835216, 2294020, 2792720, 3211628, 4014535, 4588040, 6423256, 8029070, 9176080, 12846512, 16058140, 32116280, 64232560]

約数ペア:

[(1, 64232560), (2, 32116280), (4, 16058140), (5, 12846512), (7, 9176080), (8, 8029070), (10, 6423256), (14, 4588040), (16, 4014535), (20, 3211628), (23, 2792720), (28, 2294020), (35, 1835216), (40, 1605814), (46, 1396360), (56, 1147010), (70, 917608), (80, 802907), (92, 698180), (112, 573505), (115, 558544), (140, 458804), (161, 398960), (184, 349090), (230, 279272), (280, 229402), (322, 199480), (368, 174545), (460, 139636), (560, 114701), (644, 99740), (805, 79792), (920, 69818), (1288, 49870), (1610, 39896), (1840, 34909), (2576, 24935), (3220, 19948), (4987, 12880), (6440, 9974)]