620640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{431}}^1$

素因数の和:452

約数の個数: 72

約数和(自身を含む): 2122848

約数和(自身を除く): 1502208

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 431, 480, 720, 862, 1293, 1440, 1724, 2155, 2586, 3448, 3879, 4310, 5172, 6465, 6896, 7758, 8620, 10344, 12930, 13792, 15516, 17240, 19395, 20688, 25860, 31032, 34480, 38790, 41376, 51720, 62064, 68960, 77580, 103440, 124128, 155160, 206880, 310320, 620640]

約数ペア:

[(1, 620640), (2, 310320), (3, 206880), (4, 155160), (5, 124128), (6, 103440), (8, 77580), (9, 68960), (10, 62064), (12, 51720), (15, 41376), (16, 38790), (18, 34480), (20, 31032), (24, 25860), (30, 20688), (32, 19395), (36, 17240), (40, 15516), (45, 13792), (48, 12930), (60, 10344), (72, 8620), (80, 7758), (90, 6896), (96, 6465), (120, 5172), (144, 4310), (160, 3879), (180, 3448), (240, 2586), (288, 2155), (360, 1724), (431, 1440), (480, 1293), (720, 862)]