18943947900

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{727}}^1\times {\mathrm{3217}}^1$

素因数の和:3970

約数の個数: 180

約数和(自身を含む): 61512378928

約数和(自身を除く): 42568431028

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 135, 150, 162, 180, 225, 270, 300, 324, 405, 450, 540, 675, 727, 810, 900, 1350, 1454, 1620, 2025, 2181, 2700, 2908, 3217, 3635, 4050, 4362, 6434, 6543, 7270, 8100, 8724, 9651, 10905, 12868, 13086, 14540, 16085, 18175, 19302, 19629, 21810, 26172, 28953, 32170, 32715, 36350, 38604, 39258, 43620, 48255, 54525, 57906, 58887, 64340, 65430, 72700, 78516, 80425, 86859, 96510, 98145, 109050, 115812, 117774, 130860, 144765, 160850, 163575, 173718, 193020, 196290, 218100, 235548, 241275, 260577, 289530, 294435, 321700, 327150, 347436, 392580, 434295, 482550, 490725, 521154, 579060, 588870, 654300, 723825, 868590, 965100, 981450, 1042308, 1177740, 1302885, 1447650, 1472175, 1737180, 1962900, 2171475, 2338759, 2605770, 2895300, 2944350, 4342950, 4677518, 5211540, 5888700, 6514425, 7016277, 8685900, 9355036, 11693795, 13028850, 14032554, 21048831, 23387590, 26057700, 28065108, 35081385, 42097662, 46775180, 58468975, 63146493, 70162770, 84195324, 105244155, 116937950, 126292986, 140325540, 175406925, 189439479, 210488310, 233875900, 252585972, 315732465, 350813850, 378878958, 420976620, 526220775, 631464930, 701627700, 757757916, 947197395, 1052441550, 1262929860, 1578662325, 1894394790, 2104883100, 3157324650, 3788789580, 4735986975, 6314649300, 9471973950, 18943947900]

約数ペア:

[(1, 18943947900), (2, 9471973950), (3, 6314649300), (4, 4735986975), (5, 3788789580), (6, 3157324650), (9, 2104883100), (10, 1894394790), (12, 1578662325), (15, 1262929860), (18, 1052441550), (20, 947197395), (25, 757757916), (27, 701627700), (30, 631464930), (36, 526220775), (45, 420976620), (50, 378878958), (54, 350813850), (60, 315732465), (75, 252585972), (81, 233875900), (90, 210488310), (100, 189439479), (108, 175406925), (135, 140325540), (150, 126292986), (162, 116937950), (180, 105244155), (225, 84195324), (270, 70162770), (300, 63146493), (324, 58468975), (405, 46775180), (450, 42097662), (540, 35081385), (675, 28065108), (727, 26057700), (810, 23387590), (900, 21048831), (1350, 14032554), (1454, 13028850), (1620, 11693795), (2025, 9355036), (2181, 8685900), (2700, 7016277), (2908, 6514425), (3217, 5888700), (3635, 5211540), (4050, 4677518), (4362, 4342950), (6434, 2944350), (6543, 2895300), (7270, 2605770), (8100, 2338759), (8724, 2171475), (9651, 1962900), (10905, 1737180), (12868, 1472175), (13086, 1447650), (14540, 1302885), (16085, 1177740), (18175, 1042308), (19302, 981450), (19629, 965100), (21810, 868590), (26172, 723825), (28953, 654300), (32170, 588870), (32715, 579060), (36350, 521154), (38604, 490725), (39258, 482550), (43620, 434295), (48255, 392580), (54525, 347436), (57906, 327150), (58887, 321700), (64340, 294435), (65430, 289530), (72700, 260577), (78516, 241275), (80425, 235548), (86859, 218100), (96510, 196290), (98145, 193020), (109050, 173718), (115812, 163575), (117774, 160850), (130860, 144765)]