256507320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73709}}^1$

素因数の和:73752

約数の個数: 64

約数和(自身を含む): 796068000

約数和(自身を除く): 539560680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 87, 116, 120, 145, 174, 232, 290, 348, 435, 580, 696, 870, 1160, 1740, 3480, 73709, 147418, 221127, 294836, 368545, 442254, 589672, 737090, 884508, 1105635, 1474180, 1769016, 2137561, 2211270, 2948360, 4275122, 4422540, 6412683, 8550244, 8845080, 10687805, 12825366, 17100488, 21375610, 25650732, 32063415, 42751220, 51301464, 64126830, 85502440, 128253660, 256507320]

約数ペア:

[(1, 256507320), (2, 128253660), (3, 85502440), (4, 64126830), (5, 51301464), (6, 42751220), (8, 32063415), (10, 25650732), (12, 21375610), (15, 17100488), (20, 12825366), (24, 10687805), (29, 8845080), (30, 8550244), (40, 6412683), (58, 4422540), (60, 4275122), (87, 2948360), (116, 2211270), (120, 2137561), (145, 1769016), (174, 1474180), (232, 1105635), (290, 884508), (348, 737090), (435, 589672), (580, 442254), (696, 368545), (870, 294836), (1160, 221127), (1740, 147418), (3480, 73709)]