78777720

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{727}}^1$

素因数の和:794

約数の個数: 192

約数和(自身を含む): 299819520

約数和(自身を除く): 221041800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 43, 45, 56, 60, 63, 70, 72, 84, 86, 90, 105, 120, 126, 129, 140, 168, 172, 180, 210, 215, 252, 258, 280, 301, 315, 344, 360, 387, 420, 430, 504, 516, 602, 630, 645, 727, 774, 840, 860, 903, 1032, 1204, 1260, 1290, 1454, 1505, 1548, 1720, 1806, 1935, 2181, 2408, 2520, 2580, 2709, 2908, 3010, 3096, 3612, 3635, 3870, 4362, 4515, 5089, 5160, 5418, 5816, 6020, 6543, 7224, 7270, 7740, 8724, 9030, 10178, 10836, 10905, 12040, 13086, 13545, 14540, 15267, 15480, 17448, 18060, 20356, 21672, 21810, 25445, 26172, 27090, 29080, 30534, 31261, 32715, 36120, 40712, 43620, 45801, 50890, 52344, 54180, 61068, 62522, 65430, 76335, 87240, 91602, 93783, 101780, 108360, 122136, 125044, 130860, 152670, 156305, 183204, 187566, 203560, 218827, 229005, 250088, 261720, 281349, 305340, 312610, 366408, 375132, 437654, 458010, 468915, 562698, 610680, 625220, 656481, 750264, 875308, 916020, 937830, 1094135, 1125396, 1250440, 1312962, 1406745, 1750616, 1832040, 1875660, 1969443, 2188270, 2250792, 2625924, 2813490, 3282405, 3751320, 3938886, 4376540, 5251848, 5626980, 6564810, 7877772, 8753080, 9847215, 11253960, 13129620, 15755544, 19694430, 26259240, 39388860, 78777720]

約数ペア:

[(1, 78777720), (2, 39388860), (3, 26259240), (4, 19694430), (5, 15755544), (6, 13129620), (7, 11253960), (8, 9847215), (9, 8753080), (10, 7877772), (12, 6564810), (14, 5626980), (15, 5251848), (18, 4376540), (20, 3938886), (21, 3751320), (24, 3282405), (28, 2813490), (30, 2625924), (35, 2250792), (36, 2188270), (40, 1969443), (42, 1875660), (43, 1832040), (45, 1750616), (56, 1406745), (60, 1312962), (63, 1250440), (70, 1125396), (72, 1094135), (84, 937830), (86, 916020), (90, 875308), (105, 750264), (120, 656481), (126, 625220), (129, 610680), (140, 562698), (168, 468915), (172, 458010), (180, 437654), (210, 375132), (215, 366408), (252, 312610), (258, 305340), (280, 281349), (301, 261720), (315, 250088), (344, 229005), (360, 218827), (387, 203560), (420, 187566), (430, 183204), (504, 156305), (516, 152670), (602, 130860), (630, 125044), (645, 122136), (727, 108360), (774, 101780), (840, 93783), (860, 91602), (903, 87240), (1032, 76335), (1204, 65430), (1260, 62522), (1290, 61068), (1454, 54180), (1505, 52344), (1548, 50890), (1720, 45801), (1806, 43620), (1935, 40712), (2181, 36120), (2408, 32715), (2520, 31261), (2580, 30534), (2709, 29080), (2908, 27090), (3010, 26172), (3096, 25445), (3612, 21810), (3635, 21672), (3870, 20356), (4362, 18060), (4515, 17448), (5089, 15480), (5160, 15267), (5418, 14540), (5816, 13545), (6020, 13086), (6543, 12040), (7224, 10905), (7270, 10836), (7740, 10178), (8724, 9030)]