78513120

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{7789}}^1$

素因数の和:7817

約数の個数: 144

約数和(自身を含む): 306240480

約数和(自身を除く): 227727360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 7789, 10080, 15578, 23367, 31156, 38945, 46734, 54523, 62312, 70101, 77890, 93468, 109046, 116835, 124624, 140202, 155780, 163569, 186936, 218092, 233670, 249248, 272615, 280404, 311560, 327138, 350505, 373872, 436184, 467340, 490707, 545230, 560808, 623120, 654276, 701010, 747744, 817845, 872368, 934680, 981414, 1090460, 1121616, 1246240, 1308552, 1402020, 1635690, 1744736, 1869360, 1962828, 2180920, 2243232, 2453535, 2617104, 2804040, 3271380, 3738720, 3925656, 4361840, 4907070, 5234208, 5608080, 6542760, 7851312, 8723680, 9814140, 11216160, 13085520, 15702624, 19628280, 26171040, 39256560, 78513120]

約数ペア:

[(1, 78513120), (2, 39256560), (3, 26171040), (4, 19628280), (5, 15702624), (6, 13085520), (7, 11216160), (8, 9814140), (9, 8723680), (10, 7851312), (12, 6542760), (14, 5608080), (15, 5234208), (16, 4907070), (18, 4361840), (20, 3925656), (21, 3738720), (24, 3271380), (28, 2804040), (30, 2617104), (32, 2453535), (35, 2243232), (36, 2180920), (40, 1962828), (42, 1869360), (45, 1744736), (48, 1635690), (56, 1402020), (60, 1308552), (63, 1246240), (70, 1121616), (72, 1090460), (80, 981414), (84, 934680), (90, 872368), (96, 817845), (105, 747744), (112, 701010), (120, 654276), (126, 623120), (140, 560808), (144, 545230), (160, 490707), (168, 467340), (180, 436184), (210, 373872), (224, 350505), (240, 327138), (252, 311560), (280, 280404), (288, 272615), (315, 249248), (336, 233670), (360, 218092), (420, 186936), (480, 163569), (504, 155780), (560, 140202), (630, 124624), (672, 116835), (720, 109046), (840, 93468), (1008, 77890), (1120, 70101), (1260, 62312), (1440, 54523), (1680, 46734), (2016, 38945), (2520, 31156), (3360, 23367), (5040, 15578), (7789, 10080)]