204500880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{659}}^1$

素因数の和:1109

約数の個数: 120

約数和(自身を含む): 689420160

約数和(自身を除く): 484919280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 431, 659, 720, 862, 1293, 1318, 1724, 1977, 2155, 2586, 2636, 3295, 3448, 3879, 3954, 4310, 5172, 5272, 5931, 6465, 6590, 6896, 7758, 7908, 8620, 9885, 10344, 10544, 11862, 12930, 13180, 15516, 15816, 17240, 19395, 19770, 20688, 23724, 25860, 26360, 29655, 31032, 31632, 34480, 38790, 39540, 47448, 51720, 52720, 59310, 62064, 77580, 79080, 94896, 103440, 118620, 155160, 158160, 237240, 284029, 310320, 474480, 568058, 852087, 1136116, 1420145, 1704174, 2272232, 2556261, 2840290, 3408348, 4260435, 4544464, 5112522, 5680580, 6816696, 8520870, 10225044, 11361160, 12781305, 13633392, 17041740, 20450088, 22722320, 25562610, 34083480, 40900176, 51125220, 68166960, 102250440, 204500880]

約数ペア:

[(1, 204500880), (2, 102250440), (3, 68166960), (4, 51125220), (5, 40900176), (6, 34083480), (8, 25562610), (9, 22722320), (10, 20450088), (12, 17041740), (15, 13633392), (16, 12781305), (18, 11361160), (20, 10225044), (24, 8520870), (30, 6816696), (36, 5680580), (40, 5112522), (45, 4544464), (48, 4260435), (60, 3408348), (72, 2840290), (80, 2556261), (90, 2272232), (120, 1704174), (144, 1420145), (180, 1136116), (240, 852087), (360, 568058), (431, 474480), (659, 310320), (720, 284029), (862, 237240), (1293, 158160), (1318, 155160), (1724, 118620), (1977, 103440), (2155, 94896), (2586, 79080), (2636, 77580), (3295, 62064), (3448, 59310), (3879, 52720), (3954, 51720), (4310, 47448), (5172, 39540), (5272, 38790), (5931, 34480), (6465, 31632), (6590, 31032), (6896, 29655), (7758, 26360), (7908, 25860), (8620, 23724), (9885, 20688), (10344, 19770), (10544, 19395), (11862, 17240), (12930, 15816), (13180, 15516)]