31527540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15923}}^1$

素因数の和:15949

約数の個数: 72

約数和(自身を含む): 104334048

約数和(自身を除く): 72806508

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 15923, 31846, 47769, 63692, 79615, 95538, 143307, 159230, 175153, 191076, 238845, 286614, 318460, 350306, 477690, 525459, 573228, 700612, 716535, 875765, 955380, 1050918, 1433070, 1576377, 1751530, 2101836, 2627295, 2866140, 3152754, 3503060, 5254590, 6305508, 7881885, 10509180, 15763770, 31527540]

約数ペア:

[(1, 31527540), (2, 15763770), (3, 10509180), (4, 7881885), (5, 6305508), (6, 5254590), (9, 3503060), (10, 3152754), (11, 2866140), (12, 2627295), (15, 2101836), (18, 1751530), (20, 1576377), (22, 1433070), (30, 1050918), (33, 955380), (36, 875765), (44, 716535), (45, 700612), (55, 573228), (60, 525459), (66, 477690), (90, 350306), (99, 318460), (110, 286614), (132, 238845), (165, 191076), (180, 175153), (198, 159230), (220, 143307), (330, 95538), (396, 79615), (495, 63692), (660, 47769), (990, 31846), (1980, 15923)]