51391440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{521}}^1$

素因数の和:677

約数の個数: 120

約数和(自身を含む): 174183048

約数和(自身を除く): 122791608

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 137, 144, 180, 240, 274, 360, 411, 521, 548, 685, 720, 822, 1042, 1096, 1233, 1370, 1563, 1644, 2055, 2084, 2192, 2466, 2605, 2740, 3126, 3288, 4110, 4168, 4689, 4932, 5210, 5480, 6165, 6252, 6576, 7815, 8220, 8336, 9378, 9864, 10420, 10960, 12330, 12504, 15630, 16440, 18756, 19728, 20840, 23445, 24660, 25008, 31260, 32880, 37512, 41680, 46890, 49320, 62520, 71377, 75024, 93780, 98640, 125040, 142754, 187560, 214131, 285508, 356885, 375120, 428262, 571016, 642393, 713770, 856524, 1070655, 1142032, 1284786, 1427540, 1713048, 2141310, 2569572, 2855080, 3211965, 3426096, 4282620, 5139144, 5710160, 6423930, 8565240, 10278288, 12847860, 17130480, 25695720, 51391440]

約数ペア:

[(1, 51391440), (2, 25695720), (3, 17130480), (4, 12847860), (5, 10278288), (6, 8565240), (8, 6423930), (9, 5710160), (10, 5139144), (12, 4282620), (15, 3426096), (16, 3211965), (18, 2855080), (20, 2569572), (24, 2141310), (30, 1713048), (36, 1427540), (40, 1284786), (45, 1142032), (48, 1070655), (60, 856524), (72, 713770), (80, 642393), (90, 571016), (120, 428262), (137, 375120), (144, 356885), (180, 285508), (240, 214131), (274, 187560), (360, 142754), (411, 125040), (521, 98640), (548, 93780), (685, 75024), (720, 71377), (822, 62520), (1042, 49320), (1096, 46890), (1233, 41680), (1370, 37512), (1563, 32880), (1644, 31260), (2055, 25008), (2084, 24660), (2192, 23445), (2466, 20840), (2605, 19728), (2740, 18756), (3126, 16440), (3288, 15630), (4110, 12504), (4168, 12330), (4689, 10960), (4932, 10420), (5210, 9864), (5480, 9378), (6165, 8336), (6252, 8220), (6576, 7815)]