220881.00000000

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{51229}}^1$

素因数の和:51250

約数の個数: 72

約数和(自身を含む): 251744220

約数和(自身を除く): 177974460

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, 480, 720, 1440, 51229, 102458, 153687, 204916, 256145, 307374, 409832, 461061, 512290, 614748, 768435, 819664, 922122, 1024580, 1229496, 1536870, 1639328, 1844244, 2049160, 2305305, 2458992, 3073740, 3688488, 4098320, 4610610, 4917984, 6147480, 7376976, 8196640, 9221220, 12294960, 14753952, 18442440, 24589920, 36884880, 73769760]

約数ペア:

[(1, 73769760), (2, 36884880), (3, 24589920), (4, 18442440), (5, 14753952), (6, 12294960), (8, 9221220), (9, 8196640), (10, 7376976), (12, 6147480), (15, 4917984), (16, 4610610), (18, 4098320), (20, 3688488), (24, 3073740), (30, 2458992), (32, 2305305), (36, 2049160), (40, 1844244), (45, 1639328), (48, 1536870), (60, 1229496), (72, 1024580), (80, 922122), (90, 819664), (96, 768435), (120, 614748), (144, 512290), (160, 461061), (180, 409832), (240, 307374), (288, 256145), (360, 204916), (480, 153687), (720, 102458), (1440, 51229)]