90172180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{263}}^1$

素因数の和:389

約数の個数: 96

約数和(自身を含む): 227082240

約数和(自身を除く): 136910060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 79, 124, 140, 155, 158, 217, 263, 310, 316, 395, 434, 526, 553, 620, 790, 868, 1052, 1085, 1106, 1315, 1580, 1841, 2170, 2212, 2449, 2630, 2765, 3682, 4340, 4898, 5260, 5530, 7364, 8153, 9205, 9796, 11060, 12245, 16306, 17143, 18410, 20777, 24490, 32612, 34286, 36820, 40765, 41554, 48980, 57071, 68572, 81530, 83108, 85715, 103885, 114142, 145439, 163060, 171430, 207770, 228284, 285355, 290878, 342860, 415540, 570710, 581756, 644087, 727195, 1141420, 1288174, 1454390, 2576348, 2908780, 3220435, 4508609, 6440870, 9017218, 12881740, 18034436, 22543045, 45086090, 90172180]

約数ペア:

[(1, 90172180), (2, 45086090), (4, 22543045), (5, 18034436), (7, 12881740), (10, 9017218), (14, 6440870), (20, 4508609), (28, 3220435), (31, 2908780), (35, 2576348), (62, 1454390), (70, 1288174), (79, 1141420), (124, 727195), (140, 644087), (155, 581756), (158, 570710), (217, 415540), (263, 342860), (310, 290878), (316, 285355), (395, 228284), (434, 207770), (526, 171430), (553, 163060), (620, 145439), (790, 114142), (868, 103885), (1052, 85715), (1085, 83108), (1106, 81530), (1315, 68572), (1580, 57071), (1841, 48980), (2170, 41554), (2212, 40765), (2449, 36820), (2630, 34286), (2765, 32612), (3682, 24490), (4340, 20777), (4898, 18410), (5260, 17143), (5530, 16306), (7364, 12245), (8153, 11060), (9205, 9796)]