72868480

素因数分解:

$2^7\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2777}}^1$

素因数の和:2837

約数の個数: 64

約数和(自身を含む): 178514280

約数和(自身を除く): 105645800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 320, 328, 410, 640, 656, 820, 1312, 1640, 2624, 2777, 3280, 5248, 5554, 6560, 11108, 13120, 13885, 22216, 26240, 27770, 44432, 55540, 88864, 111080, 113857, 177728, 222160, 227714, 355456, 444320, 455428, 569285, 888640, 910856, 1138570, 1777280, 1821712, 2277140, 3643424, 4554280, 7286848, 9108560, 14573696, 18217120, 36434240, 72868480]

約数ペア:

[(1, 72868480), (2, 36434240), (4, 18217120), (5, 14573696), (8, 9108560), (10, 7286848), (16, 4554280), (20, 3643424), (32, 2277140), (40, 1821712), (41, 1777280), (64, 1138570), (80, 910856), (82, 888640), (128, 569285), (160, 455428), (164, 444320), (205, 355456), (320, 227714), (328, 222160), (410, 177728), (640, 113857), (656, 111080), (820, 88864), (1312, 55540), (1640, 44432), (2624, 27770), (2777, 26240), (3280, 22216), (5248, 13885), (5554, 13120), (6560, 11108)]