65581120

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{601}}^1$

素因数の和:660

約数の個数: 112

約数和(自身を含む): 176150016

約数和(自身を除く): 110568896

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 124, 155, 160, 176, 220, 248, 310, 320, 341, 352, 440, 496, 601, 620, 682, 704, 880, 992, 1202, 1240, 1364, 1705, 1760, 1984, 2404, 2480, 2728, 3005, 3410, 3520, 4808, 4960, 5456, 6010, 6611, 6820, 9616, 9920, 10912, 12020, 13222, 13640, 18631, 19232, 21824, 24040, 26444, 27280, 33055, 37262, 38464, 48080, 52888, 54560, 66110, 74524, 93155, 96160, 105776, 109120, 132220, 149048, 186310, 192320, 204941, 211552, 264440, 298096, 372620, 409882, 423104, 528880, 596192, 745240, 819764, 1024705, 1057760, 1192384, 1490480, 1639528, 2049410, 2115520, 2980960, 3279056, 4098820, 5961920, 6558112, 8197640, 13116224, 16395280, 32790560, 65581120]

約数ペア:

[(1, 65581120), (2, 32790560), (4, 16395280), (5, 13116224), (8, 8197640), (10, 6558112), (11, 5961920), (16, 4098820), (20, 3279056), (22, 2980960), (31, 2115520), (32, 2049410), (40, 1639528), (44, 1490480), (55, 1192384), (62, 1057760), (64, 1024705), (80, 819764), (88, 745240), (110, 596192), (124, 528880), (155, 423104), (160, 409882), (176, 372620), (220, 298096), (248, 264440), (310, 211552), (320, 204941), (341, 192320), (352, 186310), (440, 149048), (496, 132220), (601, 109120), (620, 105776), (682, 96160), (704, 93155), (880, 74524), (992, 66110), (1202, 54560), (1240, 52888), (1364, 48080), (1705, 38464), (1760, 37262), (1984, 33055), (2404, 27280), (2480, 26444), (2728, 24040), (3005, 21824), (3410, 19232), (3520, 18631), (4808, 13640), (4960, 13222), (5456, 12020), (6010, 10912), (6611, 9920), (6820, 9616)]