204172020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{87253}}^1$

素因数の和:87281

約数の個数: 72

約数和(自身を含む): 666969576

約数和(自身を除く): 462797556

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 87253, 174506, 261759, 349012, 436265, 523518, 785277, 872530, 1047036, 1134289, 1308795, 1570554, 1745060, 2268578, 2617590, 3141108, 3402867, 3926385, 4537156, 5235180, 5671445, 6805734, 7852770, 10208601, 11342890, 13611468, 15705540, 17014335, 20417202, 22685780, 34028670, 40834404, 51043005, 68057340, 102086010, 204172020]

約数ペア:

[(1, 204172020), (2, 102086010), (3, 68057340), (4, 51043005), (5, 40834404), (6, 34028670), (9, 22685780), (10, 20417202), (12, 17014335), (13, 15705540), (15, 13611468), (18, 11342890), (20, 10208601), (26, 7852770), (30, 6805734), (36, 5671445), (39, 5235180), (45, 4537156), (52, 3926385), (60, 3402867), (65, 3141108), (78, 2617590), (90, 2268578), (117, 1745060), (130, 1570554), (156, 1308795), (180, 1134289), (195, 1047036), (234, 872530), (260, 785277), (390, 523518), (468, 436265), (585, 349012), (780, 261759), (1170, 174506), (2340, 87253)]