51255960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{379}}^1$

素因数の和:430

約数の個数: 192

約数和(自身を含む): 187142400

約数和(自身を除く): 135886440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 49, 56, 60, 69, 70, 84, 92, 98, 105, 115, 120, 138, 140, 147, 161, 168, 184, 196, 210, 230, 245, 276, 280, 294, 322, 345, 379, 392, 420, 460, 483, 490, 552, 588, 644, 690, 735, 758, 805, 840, 920, 966, 980, 1127, 1137, 1176, 1288, 1380, 1470, 1516, 1610, 1895, 1932, 1960, 2254, 2274, 2415, 2653, 2760, 2940, 3032, 3220, 3381, 3790, 3864, 4508, 4548, 4830, 5306, 5635, 5685, 5880, 6440, 6762, 7580, 7959, 8717, 9016, 9096, 9660, 10612, 11270, 11370, 13265, 13524, 15160, 15918, 16905, 17434, 18571, 19320, 21224, 22540, 22740, 26151, 26530, 27048, 31836, 33810, 34868, 37142, 39795, 43585, 45080, 45480, 52302, 53060, 55713, 61019, 63672, 67620, 69736, 74284, 79590, 87170, 92855, 104604, 106120, 111426, 122038, 130755, 135240, 148568, 159180, 174340, 183057, 185710, 209208, 222852, 244076, 261510, 278565, 305095, 318360, 348680, 366114, 371420, 427133, 445704, 488152, 523020, 557130, 610190, 732228, 742840, 854266, 915285, 1046040, 1114260, 1220380, 1281399, 1464456, 1708532, 1830570, 2135665, 2228520, 2440760, 2562798, 3417064, 3661140, 4271330, 5125596, 6406995, 7322280, 8542660, 10251192, 12813990, 17085320, 25627980, 51255960]

約数ペア:

[(1, 51255960), (2, 25627980), (3, 17085320), (4, 12813990), (5, 10251192), (6, 8542660), (7, 7322280), (8, 6406995), (10, 5125596), (12, 4271330), (14, 3661140), (15, 3417064), (20, 2562798), (21, 2440760), (23, 2228520), (24, 2135665), (28, 1830570), (30, 1708532), (35, 1464456), (40, 1281399), (42, 1220380), (46, 1114260), (49, 1046040), (56, 915285), (60, 854266), (69, 742840), (70, 732228), (84, 610190), (92, 557130), (98, 523020), (105, 488152), (115, 445704), (120, 427133), (138, 371420), (140, 366114), (147, 348680), (161, 318360), (168, 305095), (184, 278565), (196, 261510), (210, 244076), (230, 222852), (245, 209208), (276, 185710), (280, 183057), (294, 174340), (322, 159180), (345, 148568), (379, 135240), (392, 130755), (420, 122038), (460, 111426), (483, 106120), (490, 104604), (552, 92855), (588, 87170), (644, 79590), (690, 74284), (735, 69736), (758, 67620), (805, 63672), (840, 61019), (920, 55713), (966, 53060), (980, 52302), (1127, 45480), (1137, 45080), (1176, 43585), (1288, 39795), (1380, 37142), (1470, 34868), (1516, 33810), (1610, 31836), (1895, 27048), (1932, 26530), (1960, 26151), (2254, 22740), (2274, 22540), (2415, 21224), (2653, 19320), (2760, 18571), (2940, 17434), (3032, 16905), (3220, 15918), (3381, 15160), (3790, 13524), (3864, 13265), (4508, 11370), (4548, 11270), (4830, 10612), (5306, 9660), (5635, 9096), (5685, 9016), (5880, 8717), (6440, 7959), (6762, 7580)]