2690280

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:120

約数の個数: 128

約数和(自身を含む): 9331200

約数和(自身を除く): 6640920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 47, 53, 54, 60, 72, 90, 94, 106, 108, 120, 135, 141, 159, 180, 188, 212, 216, 235, 265, 270, 282, 318, 360, 376, 423, 424, 470, 477, 530, 540, 564, 636, 705, 795, 846, 940, 954, 1060, 1080, 1128, 1269, 1272, 1410, 1431, 1590, 1692, 1880, 1908, 2115, 2120, 2385, 2491, 2538, 2820, 2862, 3180, 3384, 3816, 4230, 4770, 4982, 5076, 5640, 5724, 6345, 6360, 7155, 7473, 8460, 9540, 9964, 10152, 11448, 12455, 12690, 14310, 14946, 16920, 19080, 19928, 22419, 24910, 25380, 28620, 29892, 37365, 44838, 49820, 50760, 57240, 59784, 67257, 74730, 89676, 99640, 112095, 134514, 149460, 179352, 224190, 269028, 298920, 336285, 448380, 538056, 672570, 896760, 1345140, 2690280]

約数ペア:

[(1, 2690280), (2, 1345140), (3, 896760), (4, 672570), (5, 538056), (6, 448380), (8, 336285), (9, 298920), (10, 269028), (12, 224190), (15, 179352), (18, 149460), (20, 134514), (24, 112095), (27, 99640), (30, 89676), (36, 74730), (40, 67257), (45, 59784), (47, 57240), (53, 50760), (54, 49820), (60, 44838), (72, 37365), (90, 29892), (94, 28620), (106, 25380), (108, 24910), (120, 22419), (135, 19928), (141, 19080), (159, 16920), (180, 14946), (188, 14310), (212, 12690), (216, 12455), (235, 11448), (265, 10152), (270, 9964), (282, 9540), (318, 8460), (360, 7473), (376, 7155), (423, 6360), (424, 6345), (470, 5724), (477, 5640), (530, 5076), (540, 4982), (564, 4770), (636, 4230), (705, 3816), (795, 3384), (846, 3180), (940, 2862), (954, 2820), (1060, 2538), (1080, 2491), (1128, 2385), (1269, 2120), (1272, 2115), (1410, 1908), (1431, 1880), (1590, 1692)]