61647120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{85621}}^1$

素因数の和:85640

約数の個数: 60

約数和(自身を含む): 207033996

約数和(自身を除く): 145386876

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 85621, 171242, 256863, 342484, 428105, 513726, 684968, 770589, 856210, 1027452, 1284315, 1369936, 1541178, 1712420, 2054904, 2568630, 3082356, 3424840, 3852945, 4109808, 5137260, 6164712, 6849680, 7705890, 10274520, 12329424, 15411780, 20549040, 30823560, 61647120]

約数ペア:

[(1, 61647120), (2, 30823560), (3, 20549040), (4, 15411780), (5, 12329424), (6, 10274520), (8, 7705890), (9, 6849680), (10, 6164712), (12, 5137260), (15, 4109808), (16, 3852945), (18, 3424840), (20, 3082356), (24, 2568630), (30, 2054904), (36, 1712420), (40, 1541178), (45, 1369936), (48, 1284315), (60, 1027452), (72, 856210), (80, 770589), (90, 684968), (120, 513726), (144, 428105), (180, 342484), (240, 256863), (360, 171242), (720, 85621)]