260820

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{23}}^1$

素因数の和:51

約数の個数: 120

約数和(自身を含む): 975744

約数和(自身を除く): 714924

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 27, 28, 30, 35, 36, 42, 45, 46, 54, 60, 63, 69, 70, 81, 84, 90, 92, 105, 108, 115, 126, 135, 138, 140, 161, 162, 180, 189, 207, 210, 230, 252, 270, 276, 315, 322, 324, 345, 378, 405, 414, 420, 460, 483, 540, 567, 621, 630, 644, 690, 756, 805, 810, 828, 945, 966, 1035, 1134, 1242, 1260, 1380, 1449, 1610, 1620, 1863, 1890, 1932, 2070, 2268, 2415, 2484, 2835, 2898, 3105, 3220, 3726, 3780, 4140, 4347, 4830, 5670, 5796, 6210, 7245, 7452, 8694, 9315, 9660, 11340, 12420, 13041, 14490, 17388, 18630, 21735, 26082, 28980, 37260, 43470, 52164, 65205, 86940, 130410, 260820]

約数ペア:

[(1, 260820), (2, 130410), (3, 86940), (4, 65205), (5, 52164), (6, 43470), (7, 37260), (9, 28980), (10, 26082), (12, 21735), (14, 18630), (15, 17388), (18, 14490), (20, 13041), (21, 12420), (23, 11340), (27, 9660), (28, 9315), (30, 8694), (35, 7452), (36, 7245), (42, 6210), (45, 5796), (46, 5670), (54, 4830), (60, 4347), (63, 4140), (69, 3780), (70, 3726), (81, 3220), (84, 3105), (90, 2898), (92, 2835), (105, 2484), (108, 2415), (115, 2268), (126, 2070), (135, 1932), (138, 1890), (140, 1863), (161, 1620), (162, 1610), (180, 1449), (189, 1380), (207, 1260), (210, 1242), (230, 1134), (252, 1035), (270, 966), (276, 945), (315, 828), (322, 810), (324, 805), (345, 756), (378, 690), (405, 644), (414, 630), (420, 621), (460, 567), (483, 540)]