216970960

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{3187}}^1$

素因数の和:3260

約数の個数: 80

約数和(自身を含む): 540786816

約数和(自身を除く): 323815856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 37, 40, 46, 74, 80, 92, 115, 148, 184, 185, 230, 296, 368, 370, 460, 592, 740, 851, 920, 1480, 1702, 1840, 2960, 3187, 3404, 4255, 6374, 6808, 8510, 12748, 13616, 15935, 17020, 25496, 31870, 34040, 50992, 63740, 68080, 73301, 117919, 127480, 146602, 235838, 254960, 293204, 366505, 471676, 586408, 589595, 733010, 943352, 1172816, 1179190, 1466020, 1886704, 2358380, 2712137, 2932040, 4716760, 5424274, 5864080, 9433520, 10848548, 13560685, 21697096, 27121370, 43394192, 54242740, 108485480, 216970960]

約数ペア:

[(1, 216970960), (2, 108485480), (4, 54242740), (5, 43394192), (8, 27121370), (10, 21697096), (16, 13560685), (20, 10848548), (23, 9433520), (37, 5864080), (40, 5424274), (46, 4716760), (74, 2932040), (80, 2712137), (92, 2358380), (115, 1886704), (148, 1466020), (184, 1179190), (185, 1172816), (230, 943352), (296, 733010), (368, 589595), (370, 586408), (460, 471676), (592, 366505), (740, 293204), (851, 254960), (920, 235838), (1480, 146602), (1702, 127480), (1840, 117919), (2960, 73301), (3187, 68080), (3404, 63740), (4255, 50992), (6374, 34040), (6808, 31870), (8510, 25496), (12748, 17020), (13616, 15935)]