31886370

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{643}}^1$

素因数の和:704

約数の個数: 96

約数和(自身を含む): 90417600

約数和(自身を除く): 58531230

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 29, 30, 38, 45, 57, 58, 87, 90, 95, 114, 145, 171, 174, 190, 261, 285, 290, 342, 435, 522, 551, 570, 643, 855, 870, 1102, 1286, 1305, 1653, 1710, 1929, 2610, 2755, 3215, 3306, 3858, 4959, 5510, 5787, 6430, 8265, 9645, 9918, 11574, 12217, 16530, 18647, 19290, 24434, 24795, 28935, 36651, 37294, 49590, 55941, 57870, 61085, 73302, 93235, 109953, 111882, 122170, 167823, 183255, 186470, 219906, 279705, 335646, 354293, 366510, 549765, 559410, 708586, 839115, 1062879, 1099530, 1678230, 1771465, 2125758, 3188637, 3542930, 5314395, 6377274, 10628790, 15943185, 31886370]

約数ペア:

[(1, 31886370), (2, 15943185), (3, 10628790), (5, 6377274), (6, 5314395), (9, 3542930), (10, 3188637), (15, 2125758), (18, 1771465), (19, 1678230), (29, 1099530), (30, 1062879), (38, 839115), (45, 708586), (57, 559410), (58, 549765), (87, 366510), (90, 354293), (95, 335646), (114, 279705), (145, 219906), (171, 186470), (174, 183255), (190, 167823), (261, 122170), (285, 111882), (290, 109953), (342, 93235), (435, 73302), (522, 61085), (551, 57870), (570, 55941), (643, 49590), (855, 37294), (870, 36651), (1102, 28935), (1286, 24795), (1305, 24434), (1653, 19290), (1710, 18647), (1929, 16530), (2610, 12217), (2755, 11574), (3215, 9918), (3306, 9645), (3858, 8265), (4959, 6430), (5510, 5787)]