20231220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:265

約数の個数: 96

約数和(自身を含む): 59673600

約数和(自身を除く): 39442380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 73, 93, 124, 146, 149, 155, 186, 219, 292, 298, 310, 365, 372, 438, 447, 465, 596, 620, 730, 745, 876, 894, 930, 1095, 1460, 1490, 1788, 1860, 2190, 2235, 2263, 2980, 4380, 4470, 4526, 4619, 6789, 8940, 9052, 9238, 10877, 11315, 13578, 13857, 18476, 21754, 22630, 23095, 27156, 27714, 32631, 33945, 43508, 45260, 46190, 54385, 55428, 65262, 67890, 69285, 92380, 108770, 130524, 135780, 138570, 163155, 217540, 277140, 326310, 337187, 652620, 674374, 1011561, 1348748, 1685935, 2023122, 3371870, 4046244, 5057805, 6743740, 10115610, 20231220]

約数ペア:

[(1, 20231220), (2, 10115610), (3, 6743740), (4, 5057805), (5, 4046244), (6, 3371870), (10, 2023122), (12, 1685935), (15, 1348748), (20, 1011561), (30, 674374), (31, 652620), (60, 337187), (62, 326310), (73, 277140), (93, 217540), (124, 163155), (146, 138570), (149, 135780), (155, 130524), (186, 108770), (219, 92380), (292, 69285), (298, 67890), (310, 65262), (365, 55428), (372, 54385), (438, 46190), (447, 45260), (465, 43508), (596, 33945), (620, 32631), (730, 27714), (745, 27156), (876, 23095), (894, 22630), (930, 21754), (1095, 18476), (1460, 13857), (1490, 13578), (1788, 11315), (1860, 10877), (2190, 9238), (2235, 9052), (2263, 8940), (2980, 6789), (4380, 4619), (4470, 4526)]