18012120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{523}}^1$

素因数の和:585

約数の個数: 128

約数和(自身を含む): 63383040

約数和(自身を除く): 45370920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 41, 42, 56, 60, 70, 82, 84, 105, 120, 123, 140, 164, 168, 205, 210, 246, 280, 287, 328, 410, 420, 492, 523, 574, 615, 820, 840, 861, 984, 1046, 1148, 1230, 1435, 1569, 1640, 1722, 2092, 2296, 2460, 2615, 2870, 3138, 3444, 3661, 4184, 4305, 4920, 5230, 5740, 6276, 6888, 7322, 7845, 8610, 10460, 10983, 11480, 12552, 14644, 15690, 17220, 18305, 20920, 21443, 21966, 29288, 31380, 34440, 36610, 42886, 43932, 54915, 62760, 64329, 73220, 85772, 87864, 107215, 109830, 128658, 146440, 150101, 171544, 214430, 219660, 257316, 300202, 321645, 428860, 439320, 450303, 514632, 600404, 643290, 750505, 857720, 900606, 1200808, 1286580, 1501010, 1801212, 2251515, 2573160, 3002020, 3602424, 4503030, 6004040, 9006060, 18012120]

約数ペア:

[(1, 18012120), (2, 9006060), (3, 6004040), (4, 4503030), (5, 3602424), (6, 3002020), (7, 2573160), (8, 2251515), (10, 1801212), (12, 1501010), (14, 1286580), (15, 1200808), (20, 900606), (21, 857720), (24, 750505), (28, 643290), (30, 600404), (35, 514632), (40, 450303), (41, 439320), (42, 428860), (56, 321645), (60, 300202), (70, 257316), (82, 219660), (84, 214430), (105, 171544), (120, 150101), (123, 146440), (140, 128658), (164, 109830), (168, 107215), (205, 87864), (210, 85772), (246, 73220), (280, 64329), (287, 62760), (328, 54915), (410, 43932), (420, 42886), (492, 36610), (523, 34440), (574, 31380), (615, 29288), (820, 21966), (840, 21443), (861, 20920), (984, 18305), (1046, 17220), (1148, 15690), (1230, 14644), (1435, 12552), (1569, 11480), (1640, 10983), (1722, 10460), (2092, 8610), (2296, 7845), (2460, 7322), (2615, 6888), (2870, 6276), (3138, 5740), (3444, 5230), (3661, 4920), (4184, 4305)]