15265000

素因数分解:

$2^3\times 5^4\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:140

約数の個数: 80

約数和(自身を含む): 37113120

約数和(自身を除く): 21848120

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 71, 86, 100, 125, 142, 172, 200, 215, 250, 284, 344, 355, 430, 500, 568, 625, 710, 860, 1000, 1075, 1250, 1420, 1720, 1775, 2150, 2500, 2840, 3053, 3550, 4300, 5000, 5375, 6106, 7100, 8600, 8875, 10750, 12212, 14200, 15265, 17750, 21500, 24424, 26875, 30530, 35500, 43000, 44375, 53750, 61060, 71000, 76325, 88750, 107500, 122120, 152650, 177500, 215000, 305300, 355000, 381625, 610600, 763250, 1526500, 1908125, 3053000, 3816250, 7632500, 15265000]

約数ペア:

[(1, 15265000), (2, 7632500), (4, 3816250), (5, 3053000), (8, 1908125), (10, 1526500), (20, 763250), (25, 610600), (40, 381625), (43, 355000), (50, 305300), (71, 215000), (86, 177500), (100, 152650), (125, 122120), (142, 107500), (172, 88750), (200, 76325), (215, 71000), (250, 61060), (284, 53750), (344, 44375), (355, 43000), (430, 35500), (500, 30530), (568, 26875), (625, 24424), (710, 21500), (860, 17750), (1000, 15265), (1075, 14200), (1250, 12212), (1420, 10750), (1720, 8875), (1775, 8600), (2150, 7100), (2500, 6106), (2840, 5375), (3053, 5000), (3550, 4300)]