7877520

素因数分解:

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

素因数の和:550

約数の個数: 160

約数和(自身を含む): 31069440

約数和(自身を除く): 23191920

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, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 521, 540, 560, 630, 720, 756, 840, 945, 1008, 1042, 1080, 1260, 1512, 1563, 1680, 1890, 2084, 2160, 2520, 2605, 3024, 3126, 3647, 3780, 4168, 4689, 5040, 5210, 6252, 7294, 7560, 7815, 8336, 9378, 10420, 10941, 12504, 14067, 14588, 15120, 15630, 18235, 18756, 20840, 21882, 23445, 25008, 28134, 29176, 31260, 32823, 36470, 37512, 41680, 43764, 46890, 54705, 56268, 58352, 62520, 65646, 70335, 72940, 75024, 87528, 93780, 98469, 109410, 112536, 125040, 131292, 140670, 145880, 164115, 175056, 187560, 196938, 218820, 225072, 262584, 281340, 291760, 328230, 375120, 393876, 437640, 492345, 525168, 562680, 656460, 787752, 875280, 984690, 1125360, 1312920, 1575504, 1969380, 2625840, 3938760, 7877520]

約数ペア:

[(1, 7877520), (2, 3938760), (3, 2625840), (4, 1969380), (5, 1575504), (6, 1312920), (7, 1125360), (8, 984690), (9, 875280), (10, 787752), (12, 656460), (14, 562680), (15, 525168), (16, 492345), (18, 437640), (20, 393876), (21, 375120), (24, 328230), (27, 291760), (28, 281340), (30, 262584), (35, 225072), (36, 218820), (40, 196938), (42, 187560), (45, 175056), (48, 164115), (54, 145880), (56, 140670), (60, 131292), (63, 125040), (70, 112536), (72, 109410), (80, 98469), (84, 93780), (90, 87528), (105, 75024), (108, 72940), (112, 70335), (120, 65646), (126, 62520), (135, 58352), (140, 56268), (144, 54705), (168, 46890), (180, 43764), (189, 41680), (210, 37512), (216, 36470), (240, 32823), (252, 31260), (270, 29176), (280, 28134), (315, 25008), (336, 23445), (360, 21882), (378, 20840), (420, 18756), (432, 18235), (504, 15630), (521, 15120), (540, 14588), (560, 14067), (630, 12504), (720, 10941), (756, 10420), (840, 9378), (945, 8336), (1008, 7815), (1042, 7560), (1080, 7294), (1260, 6252), (1512, 5210), (1563, 5040), (1680, 4689), (1890, 4168), (2084, 3780), (2160, 3647), (2520, 3126), (2605, 3024)]