289364280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{647}}^1\times {\mathrm{3727}}^1$

素因数の和:4388

約数の個数: 64

約数和(自身を含む): 869667840

約数和(自身を除く): 580303560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 647, 1294, 1941, 2588, 3235, 3727, 3882, 5176, 6470, 7454, 7764, 9705, 11181, 12940, 14908, 15528, 18635, 19410, 22362, 25880, 29816, 37270, 38820, 44724, 55905, 74540, 77640, 89448, 111810, 149080, 223620, 447240, 2411369, 4822738, 7234107, 9645476, 12056845, 14468214, 19290952, 24113690, 28936428, 36170535, 48227380, 57872856, 72341070, 96454760, 144682140, 289364280]

約数ペア:

[(1, 289364280), (2, 144682140), (3, 96454760), (4, 72341070), (5, 57872856), (6, 48227380), (8, 36170535), (10, 28936428), (12, 24113690), (15, 19290952), (20, 14468214), (24, 12056845), (30, 9645476), (40, 7234107), (60, 4822738), (120, 2411369), (647, 447240), (1294, 223620), (1941, 149080), (2588, 111810), (3235, 89448), (3727, 77640), (3882, 74540), (5176, 55905), (6470, 44724), (7454, 38820), (7764, 37270), (9705, 29816), (11181, 25880), (12940, 22362), (14908, 19410), (15528, 18635)]