2240987120

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{317}}^1\times {\mathrm{911}}^1$

素因数の和:1338

約数の個数: 80

約数和(自身を含む): 5286411648

約数和(自身を除く): 3045424528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 317, 388, 485, 634, 776, 911, 970, 1268, 1552, 1585, 1822, 1940, 2536, 3170, 3644, 3880, 4555, 5072, 6340, 7288, 7760, 9110, 12680, 14576, 18220, 25360, 30749, 36440, 61498, 72880, 88367, 122996, 153745, 176734, 245992, 288787, 307490, 353468, 441835, 491984, 577574, 614980, 706936, 883670, 1155148, 1229960, 1413872, 1443935, 1767340, 2310296, 2459920, 2887870, 3534680, 4620592, 5775740, 7069360, 11551480, 23102960, 28012339, 56024678, 112049356, 140061695, 224098712, 280123390, 448197424, 560246780, 1120493560, 2240987120]

約数ペア:

[(1, 2240987120), (2, 1120493560), (4, 560246780), (5, 448197424), (8, 280123390), (10, 224098712), (16, 140061695), (20, 112049356), (40, 56024678), (80, 28012339), (97, 23102960), (194, 11551480), (317, 7069360), (388, 5775740), (485, 4620592), (634, 3534680), (776, 2887870), (911, 2459920), (970, 2310296), (1268, 1767340), (1552, 1443935), (1585, 1413872), (1822, 1229960), (1940, 1155148), (2536, 883670), (3170, 706936), (3644, 614980), (3880, 577574), (4555, 491984), (5072, 441835), (6340, 353468), (7288, 307490), (7760, 288787), (9110, 245992), (12680, 176734), (14576, 153745), (18220, 122996), (25360, 88367), (30749, 72880), (36440, 61498)]