87172020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37253}}^1$

素因数の和:37281

約数の個数: 72

約数和(自身を含む): 284769576

約数和(自身を除く): 197597556

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, 37253, 74506, 111759, 149012, 186265, 223518, 335277, 372530, 447036, 484289, 558795, 670554, 745060, 968578, 1117590, 1341108, 1452867, 1676385, 1937156, 2235180, 2421445, 2905734, 3352770, 4358601, 4842890, 5811468, 6705540, 7264335, 8717202, 9685780, 14528670, 17434404, 21793005, 29057340, 43586010, 87172020]

約数ペア:

[(1, 87172020), (2, 43586010), (3, 29057340), (4, 21793005), (5, 17434404), (6, 14528670), (9, 9685780), (10, 8717202), (12, 7264335), (13, 6705540), (15, 5811468), (18, 4842890), (20, 4358601), (26, 3352770), (30, 2905734), (36, 2421445), (39, 2235180), (45, 1937156), (52, 1676385), (60, 1452867), (65, 1341108), (78, 1117590), (90, 968578), (117, 745060), (130, 670554), (156, 558795), (180, 484289), (195, 447036), (234, 372530), (260, 335277), (390, 223518), (468, 186265), (585, 149012), (780, 111759), (1170, 74506), (2340, 37253)]