2618120

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:138

約数の個数: 64

約数和(自身を含む): 6361200

約数和(自身を除く): 3743080

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 37, 40, 58, 61, 74, 116, 122, 145, 148, 185, 232, 244, 290, 296, 305, 370, 488, 580, 610, 740, 1073, 1160, 1220, 1480, 1769, 2146, 2257, 2440, 3538, 4292, 4514, 5365, 7076, 8584, 8845, 9028, 10730, 11285, 14152, 17690, 18056, 21460, 22570, 35380, 42920, 45140, 65453, 70760, 90280, 130906, 261812, 327265, 523624, 654530, 1309060, 2618120]

約数ペア:

[(1, 2618120), (2, 1309060), (4, 654530), (5, 523624), (8, 327265), (10, 261812), (20, 130906), (29, 90280), (37, 70760), (40, 65453), (58, 45140), (61, 42920), (74, 35380), (116, 22570), (122, 21460), (145, 18056), (148, 17690), (185, 14152), (232, 11285), (244, 10730), (290, 9028), (296, 8845), (305, 8584), (370, 7076), (488, 5365), (580, 4514), (610, 4292), (740, 3538), (1073, 2440), (1160, 2257), (1220, 2146), (1480, 1769)]