201620680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{479}}^1\times {\mathrm{619}}^1$

素因数の和:1126

約数の個数: 64

約数和(自身を含む): 482112000

約数和(自身を除く): 280491320

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 479, 619, 680, 958, 1238, 1916, 2395, 2476, 3095, 3832, 4790, 4952, 6190, 8143, 9580, 10523, 12380, 16286, 19160, 21046, 24760, 32572, 40715, 42092, 52615, 65144, 81430, 84184, 105230, 162860, 210460, 296501, 325720, 420920, 593002, 1186004, 1482505, 2372008, 2965010, 5040517, 5930020, 10081034, 11860040, 20162068, 25202585, 40324136, 50405170, 100810340, 201620680]

約数ペア:

[(1, 201620680), (2, 100810340), (4, 50405170), (5, 40324136), (8, 25202585), (10, 20162068), (17, 11860040), (20, 10081034), (34, 5930020), (40, 5040517), (68, 2965010), (85, 2372008), (136, 1482505), (170, 1186004), (340, 593002), (479, 420920), (619, 325720), (680, 296501), (958, 210460), (1238, 162860), (1916, 105230), (2395, 84184), (2476, 81430), (3095, 65144), (3832, 52615), (4790, 42092), (4952, 40715), (6190, 32572), (8143, 24760), (9580, 21046), (10523, 19160), (12380, 16286)]