55142640

素因数分解:

$2^4\times 3^3\times 5^1\times 7^2\times {\mathrm{521}}^1$

素因数の和:557

約数の個数: 240

約数和(自身を含む): 221369760

約数和(自身を除く): 166227120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 49, 54, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 108, 112, 120, 126, 135, 140, 144, 147, 168, 180, 189, 196, 210, 216, 240, 245, 252, 270, 280, 294, 315, 336, 360, 378, 392, 420, 432, 441, 490, 504, 521, 540, 560, 588, 630, 720, 735, 756, 784, 840, 882, 945, 980, 1008, 1042, 1080, 1176, 1260, 1323, 1470, 1512, 1563, 1680, 1764, 1890, 1960, 2084, 2160, 2205, 2352, 2520, 2605, 2646, 2940, 3024, 3126, 3528, 3647, 3780, 3920, 4168, 4410, 4689, 5040, 5210, 5292, 5880, 6252, 6615, 7056, 7294, 7560, 7815, 8336, 8820, 9378, 10420, 10584, 10941, 11760, 12504, 13230, 14067, 14588, 15120, 15630, 17640, 18235, 18756, 20840, 21168, 21882, 23445, 25008, 25529, 26460, 28134, 29176, 31260, 32823, 35280, 36470, 37512, 41680, 43764, 46890, 51058, 52920, 54705, 56268, 58352, 62520, 65646, 70335, 72940, 75024, 76587, 87528, 93780, 98469, 102116, 105840, 109410, 112536, 125040, 127645, 131292, 140670, 145880, 153174, 164115, 175056, 187560, 196938, 204232, 218820, 225072, 229761, 255290, 262584, 281340, 291760, 306348, 328230, 375120, 382935, 393876, 408464, 437640, 459522, 492345, 510580, 525168, 562680, 612696, 656460, 689283, 765870, 787752, 875280, 919044, 984690, 1021160, 1125360, 1148805, 1225392, 1312920, 1378566, 1531740, 1575504, 1838088, 1969380, 2042320, 2297610, 2625840, 2757132, 3063480, 3446415, 3676176, 3938760, 4595220, 5514264, 6126960, 6892830, 7877520, 9190440, 11028528, 13785660, 18380880, 27571320, 55142640]

約数ペア:

[(1, 55142640), (2, 27571320), (3, 18380880), (4, 13785660), (5, 11028528), (6, 9190440), (7, 7877520), (8, 6892830), (9, 6126960), (10, 5514264), (12, 4595220), (14, 3938760), (15, 3676176), (16, 3446415), (18, 3063480), (20, 2757132), (21, 2625840), (24, 2297610), (27, 2042320), (28, 1969380), (30, 1838088), (35, 1575504), (36, 1531740), (40, 1378566), (42, 1312920), (45, 1225392), (48, 1148805), (49, 1125360), (54, 1021160), (56, 984690), (60, 919044), (63, 875280), (70, 787752), (72, 765870), (80, 689283), (84, 656460), (90, 612696), (98, 562680), (105, 525168), (108, 510580), (112, 492345), (120, 459522), (126, 437640), (135, 408464), (140, 393876), (144, 382935), (147, 375120), (168, 328230), (180, 306348), (189, 291760), (196, 281340), (210, 262584), (216, 255290), (240, 229761), (245, 225072), (252, 218820), (270, 204232), (280, 196938), (294, 187560), (315, 175056), (336, 164115), (360, 153174), (378, 145880), (392, 140670), (420, 131292), (432, 127645), (441, 125040), (490, 112536), (504, 109410), (521, 105840), (540, 102116), (560, 98469), (588, 93780), (630, 87528), (720, 76587), (735, 75024), (756, 72940), (784, 70335), (840, 65646), (882, 62520), (945, 58352), (980, 56268), (1008, 54705), (1042, 52920), (1080, 51058), (1176, 46890), (1260, 43764), (1323, 41680), (1470, 37512), (1512, 36470), (1563, 35280), (1680, 32823), (1764, 31260), (1890, 29176), (1960, 28134), (2084, 26460), (2160, 25529), (2205, 25008), (2352, 23445), (2520, 21882), (2605, 21168), (2646, 20840), (2940, 18756), (3024, 18235), (3126, 17640), (3528, 15630), (3647, 15120), (3780, 14588), (3920, 14067), (4168, 13230), (4410, 12504), (4689, 11760), (5040, 10941), (5210, 10584), (5292, 10420), (5880, 9378), (6252, 8820), (6615, 8336), (7056, 7815), (7294, 7560)]