2145900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{311}}^1$

素因数の和:351

約数の個数: 72

約数和(自身を含む): 6499584

約数和(自身を除く): 4353684

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 25, 30, 46, 50, 60, 69, 75, 92, 100, 115, 138, 150, 230, 276, 300, 311, 345, 460, 575, 622, 690, 933, 1150, 1244, 1380, 1555, 1725, 1866, 2300, 3110, 3450, 3732, 4665, 6220, 6900, 7153, 7775, 9330, 14306, 15550, 18660, 21459, 23325, 28612, 31100, 35765, 42918, 46650, 71530, 85836, 93300, 107295, 143060, 178825, 214590, 357650, 429180, 536475, 715300, 1072950, 2145900]

約数ペア:

[(1, 2145900), (2, 1072950), (3, 715300), (4, 536475), (5, 429180), (6, 357650), (10, 214590), (12, 178825), (15, 143060), (20, 107295), (23, 93300), (25, 85836), (30, 71530), (46, 46650), (50, 42918), (60, 35765), (69, 31100), (75, 28612), (92, 23325), (100, 21459), (115, 18660), (138, 15550), (150, 14306), (230, 9330), (276, 7775), (300, 7153), (311, 6900), (345, 6220), (460, 4665), (575, 3732), (622, 3450), (690, 3110), (933, 2300), (1150, 1866), (1244, 1725), (1380, 1555)]