165571920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{229961}}^1$

素因数の和:229980

約数の個数: 60

約数和(自身を含む): 556048116

約数和(自身を除く): 390476196

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 229961, 459922, 689883, 919844, 1149805, 1379766, 1839688, 2069649, 2299610, 2759532, 3449415, 3679376, 4139298, 4599220, 5519064, 6898830, 8278596, 9198440, 10348245, 11038128, 13797660, 16557192, 18396880, 20696490, 27595320, 33114384, 41392980, 55190640, 82785960, 165571920]

約数ペア:

[(1, 165571920), (2, 82785960), (3, 55190640), (4, 41392980), (5, 33114384), (6, 27595320), (8, 20696490), (9, 18396880), (10, 16557192), (12, 13797660), (15, 11038128), (16, 10348245), (18, 9198440), (20, 8278596), (24, 6898830), (30, 5519064), (36, 4599220), (40, 4139298), (45, 3679376), (48, 3449415), (60, 2759532), (72, 2299610), (80, 2069649), (90, 1839688), (120, 1379766), (144, 1149805), (180, 919844), (240, 689883), (360, 459922), (720, 229961)]