396439440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{6581}}^1$

素因数の和:6848

約数の個数: 80

約数和(自身を含む): 1234046016

約数和(自身を除く): 837606576

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 251, 502, 753, 1004, 1255, 1506, 2008, 2510, 3012, 3765, 4016, 5020, 6024, 6581, 7530, 10040, 12048, 13162, 15060, 19743, 20080, 26324, 30120, 32905, 39486, 52648, 60240, 65810, 78972, 98715, 105296, 131620, 157944, 197430, 263240, 315888, 394860, 526480, 789720, 1579440, 1651831, 3303662, 4955493, 6607324, 8259155, 9910986, 13214648, 16518310, 19821972, 24777465, 26429296, 33036620, 39643944, 49554930, 66073240, 79287888, 99109860, 132146480, 198219720, 396439440]

約数ペア:

[(1, 396439440), (2, 198219720), (3, 132146480), (4, 99109860), (5, 79287888), (6, 66073240), (8, 49554930), (10, 39643944), (12, 33036620), (15, 26429296), (16, 24777465), (20, 19821972), (24, 16518310), (30, 13214648), (40, 9910986), (48, 8259155), (60, 6607324), (80, 4955493), (120, 3303662), (240, 1651831), (251, 1579440), (502, 789720), (753, 526480), (1004, 394860), (1255, 315888), (1506, 263240), (2008, 197430), (2510, 157944), (3012, 131620), (3765, 105296), (4016, 98715), (5020, 78972), (6024, 65810), (6581, 60240), (7530, 52648), (10040, 39486), (12048, 32905), (13162, 30120), (15060, 26324), (19743, 20080)]