138555480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{587}}^1$

素因数の和:889

約数の個数: 128

約数和(自身を含む): 477550080

約数和(自身を除く): 338994600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 281, 420, 562, 587, 840, 843, 1124, 1174, 1405, 1686, 1761, 1967, 2248, 2348, 2810, 2935, 3372, 3522, 3934, 4109, 4215, 4696, 5620, 5870, 5901, 6744, 7044, 7868, 8218, 8430, 8805, 9835, 11240, 11740, 11802, 12327, 14088, 15736, 16436, 16860, 17610, 19670, 20545, 23480, 23604, 24654, 29505, 32872, 33720, 35220, 39340, 41090, 47208, 49308, 59010, 61635, 70440, 78680, 82180, 98616, 118020, 123270, 164360, 164947, 236040, 246540, 329894, 493080, 494841, 659788, 824735, 989682, 1154629, 1319576, 1649470, 1979364, 2309258, 2474205, 3298940, 3463887, 3958728, 4618516, 4948410, 5773145, 6597880, 6927774, 9237032, 9896820, 11546290, 13855548, 17319435, 19793640, 23092580, 27711096, 34638870, 46185160, 69277740, 138555480]

約数ペア:

[(1, 138555480), (2, 69277740), (3, 46185160), (4, 34638870), (5, 27711096), (6, 23092580), (7, 19793640), (8, 17319435), (10, 13855548), (12, 11546290), (14, 9896820), (15, 9237032), (20, 6927774), (21, 6597880), (24, 5773145), (28, 4948410), (30, 4618516), (35, 3958728), (40, 3463887), (42, 3298940), (56, 2474205), (60, 2309258), (70, 1979364), (84, 1649470), (105, 1319576), (120, 1154629), (140, 989682), (168, 824735), (210, 659788), (280, 494841), (281, 493080), (420, 329894), (562, 246540), (587, 236040), (840, 164947), (843, 164360), (1124, 123270), (1174, 118020), (1405, 98616), (1686, 82180), (1761, 78680), (1967, 70440), (2248, 61635), (2348, 59010), (2810, 49308), (2935, 47208), (3372, 41090), (3522, 39340), (3934, 35220), (4109, 33720), (4215, 32872), (4696, 29505), (5620, 24654), (5870, 23604), (5901, 23480), (6744, 20545), (7044, 19670), (7868, 17610), (8218, 16860), (8430, 16436), (8805, 15736), (9835, 14088), (11240, 12327), (11740, 11802)]