66612840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{79301}}^1$

素因数の和:79322

約数の個数: 64

約数和(自身を含む): 228389760

約数和(自身を除く): 161776920

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, 420, 840, 79301, 158602, 237903, 317204, 396505, 475806, 555107, 634408, 793010, 951612, 1110214, 1189515, 1586020, 1665321, 1903224, 2220428, 2379030, 2775535, 3172040, 3330642, 4440856, 4758060, 5551070, 6661284, 8326605, 9516120, 11102140, 13322568, 16653210, 22204280, 33306420, 66612840]

約数ペア:

[(1, 66612840), (2, 33306420), (3, 22204280), (4, 16653210), (5, 13322568), (6, 11102140), (7, 9516120), (8, 8326605), (10, 6661284), (12, 5551070), (14, 4758060), (15, 4440856), (20, 3330642), (21, 3172040), (24, 2775535), (28, 2379030), (30, 2220428), (35, 1903224), (40, 1665321), (42, 1586020), (56, 1189515), (60, 1110214), (70, 951612), (84, 793010), (105, 634408), (120, 555107), (140, 475806), (168, 396505), (210, 317204), (280, 237903), (420, 158602), (840, 79301)]