7420720

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:182

約数の個数: 80

約数和(自身を含む): 18659520

約数和(自身を除く): 11238800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 37, 40, 46, 74, 80, 92, 109, 115, 148, 184, 185, 218, 230, 296, 368, 370, 436, 460, 545, 592, 740, 851, 872, 920, 1090, 1480, 1702, 1744, 1840, 2180, 2507, 2960, 3404, 4033, 4255, 4360, 5014, 6808, 8066, 8510, 8720, 10028, 12535, 13616, 16132, 17020, 20056, 20165, 25070, 32264, 34040, 40112, 40330, 50140, 64528, 68080, 80660, 92759, 100280, 161320, 185518, 200560, 322640, 371036, 463795, 742072, 927590, 1484144, 1855180, 3710360, 7420720]

約数ペア:

[(1, 7420720), (2, 3710360), (4, 1855180), (5, 1484144), (8, 927590), (10, 742072), (16, 463795), (20, 371036), (23, 322640), (37, 200560), (40, 185518), (46, 161320), (74, 100280), (80, 92759), (92, 80660), (109, 68080), (115, 64528), (148, 50140), (184, 40330), (185, 40112), (218, 34040), (230, 32264), (296, 25070), (368, 20165), (370, 20056), (436, 17020), (460, 16132), (545, 13616), (592, 12535), (740, 10028), (851, 8720), (872, 8510), (920, 8066), (1090, 6808), (1480, 5014), (1702, 4360), (1744, 4255), (1840, 4033), (2180, 3404), (2507, 2960)]