207747180

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{128239}}^1$

素因数の和:128260

約数の個数: 60

約数和(自身を含む): 651715680

約数和(自身を除く): 443968500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 128239, 256478, 384717, 512956, 641195, 769434, 1154151, 1282390, 1538868, 1923585, 2308302, 2564780, 3462453, 3847170, 4616604, 5770755, 6924906, 7694340, 10387359, 11541510, 13849812, 17312265, 20774718, 23083020, 34624530, 41549436, 51936795, 69249060, 103873590, 207747180]

約数ペア:

[(1, 207747180), (2, 103873590), (3, 69249060), (4, 51936795), (5, 41549436), (6, 34624530), (9, 23083020), (10, 20774718), (12, 17312265), (15, 13849812), (18, 11541510), (20, 10387359), (27, 7694340), (30, 6924906), (36, 5770755), (45, 4616604), (54, 3847170), (60, 3462453), (81, 2564780), (90, 2308302), (108, 1923585), (135, 1538868), (162, 1282390), (180, 1154151), (270, 769434), (324, 641195), (405, 512956), (540, 384717), (810, 256478), (1620, 128239)]