31913310

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:250

約数の個数: 128

約数和(自身を含む): 92606976

約数和(自身を除く): 60693666

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 22, 26, 30, 33, 39, 43, 55, 65, 66, 78, 86, 110, 129, 130, 143, 165, 173, 195, 215, 258, 286, 330, 346, 390, 429, 430, 473, 519, 559, 645, 715, 858, 865, 946, 1038, 1118, 1290, 1419, 1430, 1677, 1730, 1903, 2145, 2249, 2365, 2595, 2795, 2838, 3354, 3806, 4290, 4498, 4730, 5190, 5590, 5709, 6149, 6747, 7095, 7439, 8385, 9515, 11245, 11418, 12298, 13494, 14190, 14878, 16770, 18447, 19030, 22317, 22490, 24739, 28545, 30745, 33735, 36894, 37195, 44634, 49478, 57090, 61490, 67470, 74217, 74390, 81829, 92235, 96707, 111585, 123695, 148434, 163658, 184470, 193414, 223170, 245487, 247390, 290121, 371085, 409145, 483535, 490974, 580242, 742170, 818290, 967070, 1063777, 1227435, 1450605, 2127554, 2454870, 2901210, 3191331, 5318885, 6382662, 10637770, 15956655, 31913310]

約数ペア:

[(1, 31913310), (2, 15956655), (3, 10637770), (5, 6382662), (6, 5318885), (10, 3191331), (11, 2901210), (13, 2454870), (15, 2127554), (22, 1450605), (26, 1227435), (30, 1063777), (33, 967070), (39, 818290), (43, 742170), (55, 580242), (65, 490974), (66, 483535), (78, 409145), (86, 371085), (110, 290121), (129, 247390), (130, 245487), (143, 223170), (165, 193414), (173, 184470), (195, 163658), (215, 148434), (258, 123695), (286, 111585), (330, 96707), (346, 92235), (390, 81829), (429, 74390), (430, 74217), (473, 67470), (519, 61490), (559, 57090), (645, 49478), (715, 44634), (858, 37195), (865, 36894), (946, 33735), (1038, 30745), (1118, 28545), (1290, 24739), (1419, 22490), (1430, 22317), (1677, 19030), (1730, 18447), (1903, 16770), (2145, 14878), (2249, 14190), (2365, 13494), (2595, 12298), (2795, 11418), (2838, 11245), (3354, 9515), (3806, 8385), (4290, 7439), (4498, 7095), (4730, 6747), (5190, 6149), (5590, 5709)]