128607120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{178621}}^1$

素因数の和:178640

約数の個数: 60

約数和(自身を含む): 431907996

約数和(自身を除く): 303300876

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, 178621, 357242, 535863, 714484, 893105, 1071726, 1428968, 1607589, 1786210, 2143452, 2679315, 2857936, 3215178, 3572420, 4286904, 5358630, 6430356, 7144840, 8037945, 8573808, 10717260, 12860712, 14289680, 16075890, 21434520, 25721424, 32151780, 42869040, 64303560, 128607120]

約数ペア:

[(1, 128607120), (2, 64303560), (3, 42869040), (4, 32151780), (5, 25721424), (6, 21434520), (8, 16075890), (9, 14289680), (10, 12860712), (12, 10717260), (15, 8573808), (16, 8037945), (18, 7144840), (20, 6430356), (24, 5358630), (30, 4286904), (36, 3572420), (40, 3215178), (45, 2857936), (48, 2679315), (60, 2143452), (72, 1786210), (80, 1607589), (90, 1428968), (120, 1071726), (144, 893105), (180, 714484), (240, 535863), (360, 357242), (720, 178621)]