165807920

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{929}}^1$

素因数の和:1062

約数の個数: 80

約数和(自身を含む): 406848960

約数和(自身を除く): 241041040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 97, 115, 184, 194, 230, 368, 388, 460, 485, 776, 920, 929, 970, 1552, 1840, 1858, 1940, 2231, 3716, 3880, 4462, 4645, 7432, 7760, 8924, 9290, 11155, 14864, 17848, 18580, 21367, 22310, 35696, 37160, 42734, 44620, 74320, 85468, 89240, 90113, 106835, 170936, 178480, 180226, 213670, 341872, 360452, 427340, 450565, 720904, 854680, 901130, 1441808, 1709360, 1802260, 2072599, 3604520, 4145198, 7209040, 8290396, 10362995, 16580792, 20725990, 33161584, 41451980, 82903960, 165807920]

約数ペア:

[(1, 165807920), (2, 82903960), (4, 41451980), (5, 33161584), (8, 20725990), (10, 16580792), (16, 10362995), (20, 8290396), (23, 7209040), (40, 4145198), (46, 3604520), (80, 2072599), (92, 1802260), (97, 1709360), (115, 1441808), (184, 901130), (194, 854680), (230, 720904), (368, 450565), (388, 427340), (460, 360452), (485, 341872), (776, 213670), (920, 180226), (929, 178480), (970, 170936), (1552, 106835), (1840, 90113), (1858, 89240), (1940, 85468), (2231, 74320), (3716, 44620), (3880, 42734), (4462, 37160), (4645, 35696), (7432, 22310), (7760, 21367), (8924, 18580), (9290, 17848), (11155, 14864)]