180344360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{263}}^1$

素因数の和:391

約数の個数: 128

約数和(自身を含む): 486604800

約数和(自身を除く): 306260440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 79, 124, 140, 155, 158, 217, 248, 263, 280, 310, 316, 395, 434, 526, 553, 620, 632, 790, 868, 1052, 1085, 1106, 1240, 1315, 1580, 1736, 1841, 2104, 2170, 2212, 2449, 2630, 2765, 3160, 3682, 4340, 4424, 4898, 5260, 5530, 7364, 8153, 8680, 9205, 9796, 10520, 11060, 12245, 14728, 16306, 17143, 18410, 19592, 20777, 22120, 24490, 32612, 34286, 36820, 40765, 41554, 48980, 57071, 65224, 68572, 73640, 81530, 83108, 85715, 97960, 103885, 114142, 137144, 145439, 163060, 166216, 171430, 207770, 228284, 285355, 290878, 326120, 342860, 415540, 456568, 570710, 581756, 644087, 685720, 727195, 831080, 1141420, 1163512, 1288174, 1454390, 2282840, 2576348, 2908780, 3220435, 4508609, 5152696, 5817560, 6440870, 9017218, 12881740, 18034436, 22543045, 25763480, 36068872, 45086090, 90172180, 180344360]

約数ペア:

[(1, 180344360), (2, 90172180), (4, 45086090), (5, 36068872), (7, 25763480), (8, 22543045), (10, 18034436), (14, 12881740), (20, 9017218), (28, 6440870), (31, 5817560), (35, 5152696), (40, 4508609), (56, 3220435), (62, 2908780), (70, 2576348), (79, 2282840), (124, 1454390), (140, 1288174), (155, 1163512), (158, 1141420), (217, 831080), (248, 727195), (263, 685720), (280, 644087), (310, 581756), (316, 570710), (395, 456568), (434, 415540), (526, 342860), (553, 326120), (620, 290878), (632, 285355), (790, 228284), (868, 207770), (1052, 171430), (1085, 166216), (1106, 163060), (1240, 145439), (1315, 137144), (1580, 114142), (1736, 103885), (1841, 97960), (2104, 85715), (2170, 83108), (2212, 81530), (2449, 73640), (2630, 68572), (2765, 65224), (3160, 57071), (3682, 48980), (4340, 41554), (4424, 40765), (4898, 36820), (5260, 34286), (5530, 32612), (7364, 24490), (8153, 22120), (8680, 20777), (9205, 19592), (9796, 18410), (10520, 17143), (11060, 16306), (12245, 14728)]