15321250

素因数分解:

$2^1\times 5^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1$

素因数の和:149

約数の個数: 80

約数和(自身を含む): 35088768

約数和(自身を除く): 19767518

約数列:

[1, 2, 5, 7, 10, 14, 17, 25, 34, 35, 50, 70, 85, 103, 119, 125, 170, 175, 206, 238, 250, 350, 425, 515, 595, 625, 721, 850, 875, 1030, 1190, 1250, 1442, 1750, 1751, 2125, 2575, 2975, 3502, 3605, 4250, 4375, 5150, 5950, 7210, 8750, 8755, 10625, 12257, 12875, 14875, 17510, 18025, 21250, 24514, 25750, 29750, 36050, 43775, 61285, 64375, 74375, 87550, 90125, 122570, 128750, 148750, 180250, 218875, 306425, 437750, 450625, 612850, 901250, 1094375, 1532125, 2188750, 3064250, 7660625, 15321250]

約数ペア:

[(1, 15321250), (2, 7660625), (5, 3064250), (7, 2188750), (10, 1532125), (14, 1094375), (17, 901250), (25, 612850), (34, 450625), (35, 437750), (50, 306425), (70, 218875), (85, 180250), (103, 148750), (119, 128750), (125, 122570), (170, 90125), (175, 87550), (206, 74375), (238, 64375), (250, 61285), (350, 43775), (425, 36050), (515, 29750), (595, 25750), (625, 24514), (721, 21250), (850, 18025), (875, 17510), (1030, 14875), (1190, 12875), (1250, 12257), (1442, 10625), (1750, 8755), (1751, 8750), (2125, 7210), (2575, 5950), (2975, 5150), (3502, 4375), (3605, 4250)]