722280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{463}}^1$

素因数の和:490

約数の個数: 64

約数和(自身を含む): 2338560

約数和(自身を除く): 1616280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 463, 520, 780, 926, 1389, 1560, 1852, 2315, 2778, 3704, 4630, 5556, 6019, 6945, 9260, 11112, 12038, 13890, 18057, 18520, 24076, 27780, 30095, 36114, 48152, 55560, 60190, 72228, 90285, 120380, 144456, 180570, 240760, 361140, 722280]

約数ペア:

[(1, 722280), (2, 361140), (3, 240760), (4, 180570), (5, 144456), (6, 120380), (8, 90285), (10, 72228), (12, 60190), (13, 55560), (15, 48152), (20, 36114), (24, 30095), (26, 27780), (30, 24076), (39, 18520), (40, 18057), (52, 13890), (60, 12038), (65, 11112), (78, 9260), (104, 6945), (120, 6019), (130, 5556), (156, 4630), (195, 3704), (260, 2778), (312, 2315), (390, 1852), (463, 1560), (520, 1389), (780, 926)]