725880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1$

素因数の和:300

約数の個数: 64

約数和(自身を含む): 2280960

約数和(自身を除く): 1555080

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, 263, 276, 345, 460, 526, 552, 690, 789, 920, 1052, 1315, 1380, 1578, 2104, 2630, 2760, 3156, 3945, 5260, 6049, 6312, 7890, 10520, 12098, 15780, 18147, 24196, 30245, 31560, 36294, 48392, 60490, 72588, 90735, 120980, 145176, 181470, 241960, 362940, 725880]

約数ペア:

[(1, 725880), (2, 362940), (3, 241960), (4, 181470), (5, 145176), (6, 120980), (8, 90735), (10, 72588), (12, 60490), (15, 48392), (20, 36294), (23, 31560), (24, 30245), (30, 24196), (40, 18147), (46, 15780), (60, 12098), (69, 10520), (92, 7890), (115, 6312), (120, 6049), (138, 5260), (184, 3945), (230, 3156), (263, 2760), (276, 2630), (345, 2104), (460, 1578), (526, 1380), (552, 1315), (690, 1052), (789, 920)]