399439440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{9403}}^1$

素因数の和:9481

約数の個数: 120

約数和(自身を含む): 1364332320

約数和(自身を除く): 964892880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 59, 60, 72, 80, 90, 118, 120, 144, 177, 180, 236, 240, 295, 354, 360, 472, 531, 590, 708, 720, 885, 944, 1062, 1180, 1416, 1770, 2124, 2360, 2655, 2832, 3540, 4248, 4720, 5310, 7080, 8496, 9403, 10620, 14160, 18806, 21240, 28209, 37612, 42480, 47015, 56418, 75224, 84627, 94030, 112836, 141045, 150448, 169254, 188060, 225672, 282090, 338508, 376120, 423135, 451344, 554777, 564180, 677016, 752240, 846270, 1109554, 1128360, 1354032, 1664331, 1692540, 2219108, 2256720, 2773885, 3328662, 3385080, 4438216, 4992993, 5547770, 6657324, 6770160, 8321655, 8876432, 9985986, 11095540, 13314648, 16643310, 19971972, 22191080, 24964965, 26629296, 33286620, 39943944, 44382160, 49929930, 66573240, 79887888, 99859860, 133146480, 199719720, 399439440]

約数ペア:

[(1, 399439440), (2, 199719720), (3, 133146480), (4, 99859860), (5, 79887888), (6, 66573240), (8, 49929930), (9, 44382160), (10, 39943944), (12, 33286620), (15, 26629296), (16, 24964965), (18, 22191080), (20, 19971972), (24, 16643310), (30, 13314648), (36, 11095540), (40, 9985986), (45, 8876432), (48, 8321655), (59, 6770160), (60, 6657324), (72, 5547770), (80, 4992993), (90, 4438216), (118, 3385080), (120, 3328662), (144, 2773885), (177, 2256720), (180, 2219108), (236, 1692540), (240, 1664331), (295, 1354032), (354, 1128360), (360, 1109554), (472, 846270), (531, 752240), (590, 677016), (708, 564180), (720, 554777), (885, 451344), (944, 423135), (1062, 376120), (1180, 338508), (1416, 282090), (1770, 225672), (2124, 188060), (2360, 169254), (2655, 150448), (2832, 141045), (3540, 112836), (4248, 94030), (4720, 84627), (5310, 75224), (7080, 56418), (8496, 47015), (9403, 42480), (10620, 37612), (14160, 28209), (18806, 21240)]