2018280420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{27823}}^1$

素因数の和:27882

約数の個数: 144

約数和(自身を含む): 6805972992

約数和(自身を除く): 4787692572

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 31, 36, 39, 45, 52, 60, 62, 65, 78, 90, 93, 117, 124, 130, 155, 156, 180, 186, 195, 234, 260, 279, 310, 372, 390, 403, 465, 468, 558, 585, 620, 780, 806, 930, 1116, 1170, 1209, 1395, 1612, 1860, 2015, 2340, 2418, 2790, 3627, 4030, 4836, 5580, 6045, 7254, 8060, 12090, 14508, 18135, 24180, 27823, 36270, 55646, 72540, 83469, 111292, 139115, 166938, 250407, 278230, 333876, 361699, 417345, 500814, 556460, 723398, 834690, 862513, 1001628, 1085097, 1252035, 1446796, 1669380, 1725026, 1808495, 2170194, 2504070, 2587539, 3255291, 3450052, 3616990, 4312565, 4340388, 5008140, 5175078, 5425485, 6510582, 7233980, 7762617, 8625130, 10350156, 10850970, 11212669, 12937695, 13021164, 15525234, 16276455, 17250260, 21701940, 22425338, 25875390, 31050468, 32552910, 33638007, 38813085, 44850676, 51750780, 56063345, 65105820, 67276014, 77626170, 100914021, 112126690, 134552028, 155252340, 168190035, 201828042, 224253380, 336380070, 403656084, 504570105, 672760140, 1009140210, 2018280420]

約数ペア:

[(1, 2018280420), (2, 1009140210), (3, 672760140), (4, 504570105), (5, 403656084), (6, 336380070), (9, 224253380), (10, 201828042), (12, 168190035), (13, 155252340), (15, 134552028), (18, 112126690), (20, 100914021), (26, 77626170), (30, 67276014), (31, 65105820), (36, 56063345), (39, 51750780), (45, 44850676), (52, 38813085), (60, 33638007), (62, 32552910), (65, 31050468), (78, 25875390), (90, 22425338), (93, 21701940), (117, 17250260), (124, 16276455), (130, 15525234), (155, 13021164), (156, 12937695), (180, 11212669), (186, 10850970), (195, 10350156), (234, 8625130), (260, 7762617), (279, 7233980), (310, 6510582), (372, 5425485), (390, 5175078), (403, 5008140), (465, 4340388), (468, 4312565), (558, 3616990), (585, 3450052), (620, 3255291), (780, 2587539), (806, 2504070), (930, 2170194), (1116, 1808495), (1170, 1725026), (1209, 1669380), (1395, 1446796), (1612, 1252035), (1860, 1085097), (2015, 1001628), (2340, 862513), (2418, 834690), (2790, 723398), (3627, 556460), (4030, 500814), (4836, 417345), (5580, 361699), (6045, 333876), (7254, 278230), (8060, 250407), (12090, 166938), (14508, 139115), (18135, 111292), (24180, 83469), (27823, 72540), (36270, 55646)]