128103675

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{103}}^2$

素因数の和:249

約数の個数: 72

約数和(自身を含む): 255055104

約数和(自身を除く): 126951429

約数列:

[1, 3, 5, 7, 15, 21, 23, 25, 35, 69, 75, 103, 105, 115, 161, 175, 309, 345, 483, 515, 525, 575, 721, 805, 1545, 1725, 2163, 2369, 2415, 2575, 3605, 4025, 7107, 7725, 10609, 10815, 11845, 12075, 16583, 18025, 31827, 35535, 49749, 53045, 54075, 59225, 74263, 82915, 159135, 177675, 222789, 244007, 248745, 265225, 371315, 414575, 732021, 795675, 1113945, 1220035, 1243725, 1708049, 1856575, 3660105, 5124147, 5569725, 6100175, 8540245, 18300525, 25620735, 42701225, 128103675]

約数ペア:

[(1, 128103675), (3, 42701225), (5, 25620735), (7, 18300525), (15, 8540245), (21, 6100175), (23, 5569725), (25, 5124147), (35, 3660105), (69, 1856575), (75, 1708049), (103, 1243725), (105, 1220035), (115, 1113945), (161, 795675), (175, 732021), (309, 414575), (345, 371315), (483, 265225), (515, 248745), (525, 244007), (575, 222789), (721, 177675), (805, 159135), (1545, 82915), (1725, 74263), (2163, 59225), (2369, 54075), (2415, 53045), (2575, 49749), (3605, 35535), (4025, 31827), (7107, 18025), (7725, 16583), (10609, 12075), (10815, 11845)]