81913500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{109}}^1\times {\mathrm{167}}^1$

素因数の和:301

約数の個数: 144

約数和(自身を含む): 262342080

約数和(自身を除く): 180428580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 109, 125, 150, 167, 180, 218, 225, 250, 300, 327, 334, 375, 436, 450, 500, 501, 545, 654, 668, 750, 835, 900, 981, 1002, 1090, 1125, 1308, 1500, 1503, 1635, 1670, 1962, 2004, 2180, 2250, 2505, 2725, 3006, 3270, 3340, 3924, 4175, 4500, 4905, 5010, 5450, 6012, 6540, 7515, 8175, 8350, 9810, 10020, 10900, 12525, 13625, 15030, 16350, 16700, 18203, 19620, 20875, 24525, 25050, 27250, 30060, 32700, 36406, 37575, 40875, 41750, 49050, 50100, 54500, 54609, 62625, 72812, 75150, 81750, 83500, 91015, 98100, 109218, 122625, 125250, 150300, 163500, 163827, 182030, 187875, 218436, 245250, 250500, 273045, 327654, 364060, 375750, 455075, 490500, 546090, 655308, 751500, 819135, 910150, 1092180, 1365225, 1638270, 1820300, 2275375, 2730450, 3276540, 4095675, 4550750, 5460900, 6826125, 8191350, 9101500, 13652250, 16382700, 20478375, 27304500, 40956750, 81913500]

約数ペア:

[(1, 81913500), (2, 40956750), (3, 27304500), (4, 20478375), (5, 16382700), (6, 13652250), (9, 9101500), (10, 8191350), (12, 6826125), (15, 5460900), (18, 4550750), (20, 4095675), (25, 3276540), (30, 2730450), (36, 2275375), (45, 1820300), (50, 1638270), (60, 1365225), (75, 1092180), (90, 910150), (100, 819135), (109, 751500), (125, 655308), (150, 546090), (167, 490500), (180, 455075), (218, 375750), (225, 364060), (250, 327654), (300, 273045), (327, 250500), (334, 245250), (375, 218436), (436, 187875), (450, 182030), (500, 163827), (501, 163500), (545, 150300), (654, 125250), (668, 122625), (750, 109218), (835, 98100), (900, 91015), (981, 83500), (1002, 81750), (1090, 75150), (1125, 72812), (1308, 62625), (1500, 54609), (1503, 54500), (1635, 50100), (1670, 49050), (1962, 41750), (2004, 40875), (2180, 37575), (2250, 36406), (2505, 32700), (2725, 30060), (3006, 27250), (3270, 25050), (3340, 24525), (3924, 20875), (4175, 19620), (4500, 18203), (4905, 16700), (5010, 16350), (5450, 15030), (6012, 13625), (6540, 12525), (7515, 10900), (8175, 10020), (8350, 9810)]