20012988960

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{129887}}^1$

素因数の和:130015

約数の個数: 144

約数和(自身を含む): 68933120256

約数和(自身を除く): 48920131296

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, 107, 120, 144, 160, 180, 214, 240, 288, 321, 360, 428, 480, 535, 642, 720, 856, 963, 1070, 1284, 1440, 1605, 1712, 1926, 2140, 2568, 3210, 3424, 3852, 4280, 4815, 5136, 6420, 7704, 8560, 9630, 10272, 12840, 15408, 17120, 19260, 25680, 30816, 38520, 51360, 77040, 129887, 154080, 259774, 389661, 519548, 649435, 779322, 1039096, 1168983, 1298870, 1558644, 1948305, 2078192, 2337966, 2597740, 3117288, 3896610, 4156384, 4675932, 5195480, 5844915, 6234576, 7793220, 9351864, 10390960, 11689830, 12469152, 13897909, 15586440, 18703728, 20781920, 23379660, 27795818, 31172880, 37407456, 41693727, 46759320, 55591636, 62345760, 69489545, 83387454, 93518640, 111183272, 125081181, 138979090, 166774908, 187037280, 208468635, 222366544, 250162362, 277958180, 333549816, 416937270, 444733088, 500324724, 555916360, 625405905, 667099632, 833874540, 1000649448, 1111832720, 1250811810, 1334199264, 1667749080, 2001298896, 2223665440, 2501623620, 3335498160, 4002597792, 5003247240, 6670996320, 10006494480, 20012988960]

約数ペア:

[(1, 20012988960), (2, 10006494480), (3, 6670996320), (4, 5003247240), (5, 4002597792), (6, 3335498160), (8, 2501623620), (9, 2223665440), (10, 2001298896), (12, 1667749080), (15, 1334199264), (16, 1250811810), (18, 1111832720), (20, 1000649448), (24, 833874540), (30, 667099632), (32, 625405905), (36, 555916360), (40, 500324724), (45, 444733088), (48, 416937270), (60, 333549816), (72, 277958180), (80, 250162362), (90, 222366544), (96, 208468635), (107, 187037280), (120, 166774908), (144, 138979090), (160, 125081181), (180, 111183272), (214, 93518640), (240, 83387454), (288, 69489545), (321, 62345760), (360, 55591636), (428, 46759320), (480, 41693727), (535, 37407456), (642, 31172880), (720, 27795818), (856, 23379660), (963, 20781920), (1070, 18703728), (1284, 15586440), (1440, 13897909), (1605, 12469152), (1712, 11689830), (1926, 10390960), (2140, 9351864), (2568, 7793220), (3210, 6234576), (3424, 5844915), (3852, 5195480), (4280, 4675932), (4815, 4156384), (5136, 3896610), (6420, 3117288), (7704, 2597740), (8560, 2337966), (9630, 2078192), (10272, 1948305), (12840, 1558644), (15408, 1298870), (17120, 1168983), (19260, 1039096), (25680, 779322), (30816, 649435), (38520, 519548), (51360, 389661), (77040, 259774), (129887, 154080)]