1377240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{499}}^1$

素因数の和:536

約数の個数: 64

約数和(自身を含む): 4320000

約数和(自身を除く): 2942760

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, 499, 552, 690, 920, 998, 1380, 1497, 1996, 2495, 2760, 2994, 3992, 4990, 5988, 7485, 9980, 11477, 11976, 14970, 19960, 22954, 29940, 34431, 45908, 57385, 59880, 68862, 91816, 114770, 137724, 172155, 229540, 275448, 344310, 459080, 688620, 1377240]

約数ペア:

[(1, 1377240), (2, 688620), (3, 459080), (4, 344310), (5, 275448), (6, 229540), (8, 172155), (10, 137724), (12, 114770), (15, 91816), (20, 68862), (23, 59880), (24, 57385), (30, 45908), (40, 34431), (46, 29940), (60, 22954), (69, 19960), (92, 14970), (115, 11976), (120, 11477), (138, 9980), (184, 7485), (230, 5988), (276, 4990), (345, 3992), (460, 2994), (499, 2760), (552, 2495), (690, 1996), (920, 1497), (998, 1380)]