81290280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29453}}^1$

素因数の和:29490

約数の個数: 64

約数和(自身を含む): 254482560

約数和(自身を除く): 173192280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 29453, 58906, 88359, 117812, 147265, 176718, 235624, 294530, 353436, 441795, 589060, 677419, 706872, 883590, 1178120, 1354838, 1767180, 2032257, 2709676, 3387095, 3534360, 4064514, 5419352, 6774190, 8129028, 10161285, 13548380, 16258056, 20322570, 27096760, 40645140, 81290280]

約数ペア:

[(1, 81290280), (2, 40645140), (3, 27096760), (4, 20322570), (5, 16258056), (6, 13548380), (8, 10161285), (10, 8129028), (12, 6774190), (15, 5419352), (20, 4064514), (23, 3534360), (24, 3387095), (30, 2709676), (40, 2032257), (46, 1767180), (60, 1354838), (69, 1178120), (92, 883590), (115, 706872), (120, 677419), (138, 589060), (184, 441795), (230, 353436), (276, 294530), (345, 235624), (460, 176718), (552, 147265), (690, 117812), (920, 88359), (1380, 58906), (2760, 29453)]