721034520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{127843}}^1$

素因数の和:127904

約数の個数: 64

約数和(自身を含む): 2209144320

約数和(自身を除く): 1488109800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 60, 94, 120, 141, 188, 235, 282, 376, 470, 564, 705, 940, 1128, 1410, 1880, 2820, 5640, 127843, 255686, 383529, 511372, 639215, 767058, 1022744, 1278430, 1534116, 1917645, 2556860, 3068232, 3835290, 5113720, 6008621, 7670580, 12017242, 15341160, 18025863, 24034484, 30043105, 36051726, 48068968, 60086210, 72103452, 90129315, 120172420, 144206904, 180258630, 240344840, 360517260, 721034520]

約数ペア:

[(1, 721034520), (2, 360517260), (3, 240344840), (4, 180258630), (5, 144206904), (6, 120172420), (8, 90129315), (10, 72103452), (12, 60086210), (15, 48068968), (20, 36051726), (24, 30043105), (30, 24034484), (40, 18025863), (47, 15341160), (60, 12017242), (94, 7670580), (120, 6008621), (141, 5113720), (188, 3835290), (235, 3068232), (282, 2556860), (376, 1917645), (470, 1534116), (564, 1278430), (705, 1022744), (940, 767058), (1128, 639215), (1410, 511372), (1880, 383529), (2820, 255686), (5640, 127843)]