28495620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{6883}}^1$

素因数の和:6921

約数の個数: 72

約数和(自身を含む): 90207936

約数和(自身を除く): 61712316

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 6883, 13766, 20649, 27532, 34415, 41298, 61947, 68830, 82596, 103245, 123894, 137660, 158309, 206490, 247788, 309735, 316618, 412980, 474927, 619470, 633236, 791545, 949854, 1238940, 1424781, 1583090, 1899708, 2374635, 2849562, 3166180, 4749270, 5699124, 7123905, 9498540, 14247810, 28495620]

約数ペア:

[(1, 28495620), (2, 14247810), (3, 9498540), (4, 7123905), (5, 5699124), (6, 4749270), (9, 3166180), (10, 2849562), (12, 2374635), (15, 1899708), (18, 1583090), (20, 1424781), (23, 1238940), (30, 949854), (36, 791545), (45, 633236), (46, 619470), (60, 474927), (69, 412980), (90, 316618), (92, 309735), (115, 247788), (138, 206490), (180, 158309), (207, 137660), (230, 123894), (276, 103245), (345, 82596), (414, 68830), (460, 61947), (690, 41298), (828, 34415), (1035, 27532), (1380, 20649), (2070, 13766), (4140, 6883)]