28701240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{10399}}^1$

素因数の和:10436

約数の個数: 64

約数和(自身を含む): 89856000

約数和(自身を除く): 61154760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 10399, 20798, 31197, 41596, 51995, 62394, 83192, 103990, 124788, 155985, 207980, 239177, 249576, 311970, 415960, 478354, 623940, 717531, 956708, 1195885, 1247880, 1435062, 1913416, 2391770, 2870124, 3587655, 4783540, 5740248, 7175310, 9567080, 14350620, 28701240]

約数ペア:

[(1, 28701240), (2, 14350620), (3, 9567080), (4, 7175310), (5, 5740248), (6, 4783540), (8, 3587655), (10, 2870124), (12, 2391770), (15, 1913416), (20, 1435062), (23, 1247880), (24, 1195885), (30, 956708), (40, 717531), (46, 623940), (60, 478354), (69, 415960), (92, 311970), (115, 249576), (120, 239177), (138, 207980), (184, 155985), (230, 124788), (276, 103990), (345, 83192), (460, 62394), (552, 51995), (690, 41596), (920, 31197), (1380, 20798), (2760, 10399)]