144137440

素因数分解:

$2^5\times 5^1\times {\mathrm{139}}^1\times {\mathrm{6481}}^1$

素因数の和:6635

約数の個数: 48

約数和(自身を含む): 343027440

約数和(自身を除く): 198890000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 139, 160, 278, 556, 695, 1112, 1390, 2224, 2780, 4448, 5560, 6481, 11120, 12962, 22240, 25924, 32405, 51848, 64810, 103696, 129620, 207392, 259240, 518480, 900859, 1036960, 1801718, 3603436, 4504295, 7206872, 9008590, 14413744, 18017180, 28827488, 36034360, 72068720, 144137440]

約数ペア:

[(1, 144137440), (2, 72068720), (4, 36034360), (5, 28827488), (8, 18017180), (10, 14413744), (16, 9008590), (20, 7206872), (32, 4504295), (40, 3603436), (80, 1801718), (139, 1036960), (160, 900859), (278, 518480), (556, 259240), (695, 207392), (1112, 129620), (1390, 103696), (2224, 64810), (2780, 51848), (4448, 32405), (5560, 25924), (6481, 22240), (11120, 12962)]