31501728

素因数分解:

$2^5\times 3^2\times {\mathrm{89}}^1\times {\mathrm{1229}}^1$

素因数の和:1334

約数の個数: 72

約数和(自身を含む): 90663300

約数和(自身を除く): 59161572

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 89, 96, 144, 178, 267, 288, 356, 534, 712, 801, 1068, 1229, 1424, 1602, 2136, 2458, 2848, 3204, 3687, 4272, 4916, 6408, 7374, 8544, 9832, 11061, 12816, 14748, 19664, 22122, 25632, 29496, 39328, 44244, 58992, 88488, 109381, 117984, 176976, 218762, 328143, 353952, 437524, 656286, 875048, 984429, 1312572, 1750096, 1968858, 2625144, 3500192, 3937716, 5250288, 7875432, 10500576, 15750864, 31501728]

約数ペア:

[(1, 31501728), (2, 15750864), (3, 10500576), (4, 7875432), (6, 5250288), (8, 3937716), (9, 3500192), (12, 2625144), (16, 1968858), (18, 1750096), (24, 1312572), (32, 984429), (36, 875048), (48, 656286), (72, 437524), (89, 353952), (96, 328143), (144, 218762), (178, 176976), (267, 117984), (288, 109381), (356, 88488), (534, 58992), (712, 44244), (801, 39328), (1068, 29496), (1229, 25632), (1424, 22122), (1602, 19664), (2136, 14748), (2458, 12816), (2848, 11061), (3204, 9832), (3687, 8544), (4272, 7374), (4916, 6408)]