64874520

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{20023}}^1$

素因数の和:20046

約数の個数: 80

約数和(自身を含む): 218061360

約数和(自身を除く): 153186840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 20023, 40046, 60069, 80092, 100115, 120138, 160184, 180207, 200230, 240276, 300345, 360414, 400460, 480552, 540621, 600690, 720828, 800920, 901035, 1081242, 1201380, 1441656, 1621863, 1802070, 2162484, 2402760, 2703105, 3243726, 3604140, 4324968, 5406210, 6487452, 7208280, 8109315, 10812420, 12974904, 16218630, 21624840, 32437260, 64874520]

約数ペア:

[(1, 64874520), (2, 32437260), (3, 21624840), (4, 16218630), (5, 12974904), (6, 10812420), (8, 8109315), (9, 7208280), (10, 6487452), (12, 5406210), (15, 4324968), (18, 3604140), (20, 3243726), (24, 2703105), (27, 2402760), (30, 2162484), (36, 1802070), (40, 1621863), (45, 1441656), (54, 1201380), (60, 1081242), (72, 901035), (81, 800920), (90, 720828), (108, 600690), (120, 540621), (135, 480552), (162, 400460), (180, 360414), (216, 300345), (270, 240276), (324, 200230), (360, 180207), (405, 160184), (540, 120138), (648, 100115), (810, 80092), (1080, 60069), (1620, 40046), (3240, 20023)]