31621890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1913}}^1$

素因数の和:1971

約数の個数: 64

約数和(自身を含む): 82684800

約数和(自身を除く): 51062910

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 29, 30, 38, 57, 58, 87, 95, 114, 145, 174, 190, 285, 290, 435, 551, 570, 870, 1102, 1653, 1913, 2755, 3306, 3826, 5510, 5739, 8265, 9565, 11478, 16530, 19130, 28695, 36347, 55477, 57390, 72694, 109041, 110954, 166431, 181735, 218082, 277385, 332862, 363470, 545205, 554770, 832155, 1054063, 1090410, 1664310, 2108126, 3162189, 5270315, 6324378, 10540630, 15810945, 31621890]

約数ペア:

[(1, 31621890), (2, 15810945), (3, 10540630), (5, 6324378), (6, 5270315), (10, 3162189), (15, 2108126), (19, 1664310), (29, 1090410), (30, 1054063), (38, 832155), (57, 554770), (58, 545205), (87, 363470), (95, 332862), (114, 277385), (145, 218082), (174, 181735), (190, 166431), (285, 110954), (290, 109041), (435, 72694), (551, 57390), (570, 55477), (870, 36347), (1102, 28695), (1653, 19130), (1913, 16530), (2755, 11478), (3306, 9565), (3826, 8265), (5510, 5739)]