26798520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{523}}^1$

素因数の和:605

約数の個数: 128

約数和(自身を含む): 93565440

約数和(自身を除く): 66766920

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, 61, 70, 84, 105, 120, 122, 140, 168, 183, 210, 244, 280, 305, 366, 420, 427, 488, 523, 610, 732, 840, 854, 915, 1046, 1220, 1281, 1464, 1569, 1708, 1830, 2092, 2135, 2440, 2562, 2615, 3138, 3416, 3660, 3661, 4184, 4270, 5124, 5230, 6276, 6405, 7320, 7322, 7845, 8540, 10248, 10460, 10983, 12552, 12810, 14644, 15690, 17080, 18305, 20920, 21966, 25620, 29288, 31380, 31903, 36610, 43932, 51240, 54915, 62760, 63806, 73220, 87864, 95709, 109830, 127612, 146440, 159515, 191418, 219660, 223321, 255224, 319030, 382836, 439320, 446642, 478545, 638060, 669963, 765672, 893284, 957090, 1116605, 1276120, 1339926, 1786568, 1914180, 2233210, 2679852, 3349815, 3828360, 4466420, 5359704, 6699630, 8932840, 13399260, 26798520]

約数ペア:

[(1, 26798520), (2, 13399260), (3, 8932840), (4, 6699630), (5, 5359704), (6, 4466420), (7, 3828360), (8, 3349815), (10, 2679852), (12, 2233210), (14, 1914180), (15, 1786568), (20, 1339926), (21, 1276120), (24, 1116605), (28, 957090), (30, 893284), (35, 765672), (40, 669963), (42, 638060), (56, 478545), (60, 446642), (61, 439320), (70, 382836), (84, 319030), (105, 255224), (120, 223321), (122, 219660), (140, 191418), (168, 159515), (183, 146440), (210, 127612), (244, 109830), (280, 95709), (305, 87864), (366, 73220), (420, 63806), (427, 62760), (488, 54915), (523, 51240), (610, 43932), (732, 36610), (840, 31903), (854, 31380), (915, 29288), (1046, 25620), (1220, 21966), (1281, 20920), (1464, 18305), (1569, 17080), (1708, 15690), (1830, 14644), (2092, 12810), (2135, 12552), (2440, 10983), (2562, 10460), (2615, 10248), (3138, 8540), (3416, 7845), (3660, 7322), (3661, 7320), (4184, 6405), (4270, 6276), (5124, 5230)]