28612920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1481}}^1$

素因数の和:1525

約数の個数: 128

約数和(自身を含む): 102435840

約数和(自身を除く): 73822920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 56, 60, 69, 70, 84, 92, 105, 115, 120, 138, 140, 161, 168, 184, 210, 230, 276, 280, 322, 345, 420, 460, 483, 552, 644, 690, 805, 840, 920, 966, 1288, 1380, 1481, 1610, 1932, 2415, 2760, 2962, 3220, 3864, 4443, 4830, 5924, 6440, 7405, 8886, 9660, 10367, 11848, 14810, 17772, 19320, 20734, 22215, 29620, 31101, 34063, 35544, 41468, 44430, 51835, 59240, 62202, 68126, 82936, 88860, 102189, 103670, 124404, 136252, 155505, 170315, 177720, 204378, 207340, 238441, 248808, 272504, 311010, 340630, 408756, 414680, 476882, 510945, 622020, 681260, 715323, 817512, 953764, 1021890, 1192205, 1244040, 1362520, 1430646, 1907528, 2043780, 2384410, 2861292, 3576615, 4087560, 4768820, 5722584, 7153230, 9537640, 14306460, 28612920]

約数ペア:

[(1, 28612920), (2, 14306460), (3, 9537640), (4, 7153230), (5, 5722584), (6, 4768820), (7, 4087560), (8, 3576615), (10, 2861292), (12, 2384410), (14, 2043780), (15, 1907528), (20, 1430646), (21, 1362520), (23, 1244040), (24, 1192205), (28, 1021890), (30, 953764), (35, 817512), (40, 715323), (42, 681260), (46, 622020), (56, 510945), (60, 476882), (69, 414680), (70, 408756), (84, 340630), (92, 311010), (105, 272504), (115, 248808), (120, 238441), (138, 207340), (140, 204378), (161, 177720), (168, 170315), (184, 155505), (210, 136252), (230, 124404), (276, 103670), (280, 102189), (322, 88860), (345, 82936), (420, 68126), (460, 62202), (483, 59240), (552, 51835), (644, 44430), (690, 41468), (805, 35544), (840, 34063), (920, 31101), (966, 29620), (1288, 22215), (1380, 20734), (1481, 19320), (1610, 17772), (1932, 14810), (2415, 11848), (2760, 10367), (2962, 9660), (3220, 8886), (3864, 7405), (4443, 6440), (4830, 5924)]