20903735520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{14387}}^1$

素因数の和:15417

約数の個数: 144

約数和(自身を含む): 71409658320

約数和(自身を除く): 50505922800

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, 1009, 1440, 2018, 3027, 4036, 5045, 6054, 8072, 9081, 10090, 12108, 14387, 15135, 16144, 18162, 20180, 24216, 28774, 30270, 32288, 36324, 40360, 43161, 45405, 48432, 57548, 60540, 71935, 72648, 80720, 86322, 90810, 96864, 115096, 121080, 129483, 143870, 145296, 161440, 172644, 181620, 215805, 230192, 242160, 258966, 287740, 290592, 345288, 363240, 431610, 460384, 484320, 517932, 575480, 647415, 690576, 726480, 863220, 1035864, 1150960, 1294830, 1381152, 1452960, 1726440, 2071728, 2301920, 2589660, 3452880, 4143456, 5179320, 6905760, 10358640, 14516483, 20717280, 29032966, 43549449, 58065932, 72582415, 87098898, 116131864, 130648347, 145164830, 174197796, 217747245, 232263728, 261296694, 290329660, 348395592, 435494490, 464527456, 522593388, 580659320, 653241735, 696791184, 870988980, 1045186776, 1161318640, 1306483470, 1393582368, 1741977960, 2090373552, 2322637280, 2612966940, 3483955920, 4180747104, 5225933880, 6967911840, 10451867760, 20903735520]

約数ペア:

[(1, 20903735520), (2, 10451867760), (3, 6967911840), (4, 5225933880), (5, 4180747104), (6, 3483955920), (8, 2612966940), (9, 2322637280), (10, 2090373552), (12, 1741977960), (15, 1393582368), (16, 1306483470), (18, 1161318640), (20, 1045186776), (24, 870988980), (30, 696791184), (32, 653241735), (36, 580659320), (40, 522593388), (45, 464527456), (48, 435494490), (60, 348395592), (72, 290329660), (80, 261296694), (90, 232263728), (96, 217747245), (120, 174197796), (144, 145164830), (160, 130648347), (180, 116131864), (240, 87098898), (288, 72582415), (360, 58065932), (480, 43549449), (720, 29032966), (1009, 20717280), (1440, 14516483), (2018, 10358640), (3027, 6905760), (4036, 5179320), (5045, 4143456), (6054, 3452880), (8072, 2589660), (9081, 2301920), (10090, 2071728), (12108, 1726440), (14387, 1452960), (15135, 1381152), (16144, 1294830), (18162, 1150960), (20180, 1035864), (24216, 863220), (28774, 726480), (30270, 690576), (32288, 647415), (36324, 575480), (40360, 517932), (43161, 484320), (45405, 460384), (48432, 431610), (57548, 363240), (60540, 345288), (71935, 290592), (72648, 287740), (80720, 258966), (86322, 242160), (90810, 230192), (96864, 215805), (115096, 181620), (121080, 172644), (129483, 161440), (143870, 145296)]