900915520

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{1123}}^1$

素因数の和:1272

約数の個数: 112

約数和(自身を含む): 2261128320

約数和(自身を除く): 1360212800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 109, 115, 160, 184, 218, 230, 320, 368, 436, 460, 545, 736, 872, 920, 1090, 1123, 1472, 1744, 1840, 2180, 2246, 2507, 3488, 3680, 4360, 4492, 5014, 5615, 6976, 7360, 8720, 8984, 10028, 11230, 12535, 17440, 17968, 20056, 22460, 25070, 25829, 34880, 35936, 40112, 44920, 50140, 51658, 71872, 80224, 89840, 100280, 103316, 122407, 129145, 160448, 179680, 200560, 206632, 244814, 258290, 359360, 401120, 413264, 489628, 516580, 612035, 802240, 826528, 979256, 1033160, 1224070, 1653056, 1958512, 2066320, 2448140, 2815361, 3917024, 4132640, 4896280, 5630722, 7834048, 8265280, 9792560, 11261444, 14076805, 19585120, 22522888, 28153610, 39170240, 45045776, 56307220, 90091552, 112614440, 180183104, 225228880, 450457760, 900915520]

約数ペア:

[(1, 900915520), (2, 450457760), (4, 225228880), (5, 180183104), (8, 112614440), (10, 90091552), (16, 56307220), (20, 45045776), (23, 39170240), (32, 28153610), (40, 22522888), (46, 19585120), (64, 14076805), (80, 11261444), (92, 9792560), (109, 8265280), (115, 7834048), (160, 5630722), (184, 4896280), (218, 4132640), (230, 3917024), (320, 2815361), (368, 2448140), (436, 2066320), (460, 1958512), (545, 1653056), (736, 1224070), (872, 1033160), (920, 979256), (1090, 826528), (1123, 802240), (1472, 612035), (1744, 516580), (1840, 489628), (2180, 413264), (2246, 401120), (2507, 359360), (3488, 258290), (3680, 244814), (4360, 206632), (4492, 200560), (5014, 179680), (5615, 160448), (6976, 129145), (7360, 122407), (8720, 103316), (8984, 100280), (10028, 89840), (11230, 80224), (12535, 71872), (17440, 51658), (17968, 50140), (20056, 44920), (22460, 40112), (25070, 35936), (25829, 34880)]