78858720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2381}}^1$

素因数の和:2425

約数の個数: 144

約数和(自身を含む): 280923552

約数和(自身を除く): 202064832

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 32, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 96, 115, 120, 138, 144, 160, 180, 184, 207, 230, 240, 276, 288, 345, 360, 368, 414, 460, 480, 552, 690, 720, 736, 828, 920, 1035, 1104, 1380, 1440, 1656, 1840, 2070, 2208, 2381, 2760, 3312, 3680, 4140, 4762, 5520, 6624, 7143, 8280, 9524, 11040, 11905, 14286, 16560, 19048, 21429, 23810, 28572, 33120, 35715, 38096, 42858, 47620, 54763, 57144, 71430, 76192, 85716, 95240, 107145, 109526, 114288, 142860, 164289, 171432, 190480, 214290, 219052, 228576, 273815, 285720, 328578, 342864, 380960, 428580, 438104, 492867, 547630, 571440, 657156, 685728, 821445, 857160, 876208, 985734, 1095260, 1142880, 1314312, 1642890, 1714320, 1752416, 1971468, 2190520, 2464335, 2628624, 3285780, 3428640, 3942936, 4381040, 4928670, 5257248, 6571560, 7885872, 8762080, 9857340, 13143120, 15771744, 19714680, 26286240, 39429360, 78858720]

約数ペア:

[(1, 78858720), (2, 39429360), (3, 26286240), (4, 19714680), (5, 15771744), (6, 13143120), (8, 9857340), (9, 8762080), (10, 7885872), (12, 6571560), (15, 5257248), (16, 4928670), (18, 4381040), (20, 3942936), (23, 3428640), (24, 3285780), (30, 2628624), (32, 2464335), (36, 2190520), (40, 1971468), (45, 1752416), (46, 1714320), (48, 1642890), (60, 1314312), (69, 1142880), (72, 1095260), (80, 985734), (90, 876208), (92, 857160), (96, 821445), (115, 685728), (120, 657156), (138, 571440), (144, 547630), (160, 492867), (180, 438104), (184, 428580), (207, 380960), (230, 342864), (240, 328578), (276, 285720), (288, 273815), (345, 228576), (360, 219052), (368, 214290), (414, 190480), (460, 171432), (480, 164289), (552, 142860), (690, 114288), (720, 109526), (736, 107145), (828, 95240), (920, 85716), (1035, 76192), (1104, 71430), (1380, 57144), (1440, 54763), (1656, 47620), (1840, 42858), (2070, 38096), (2208, 35715), (2381, 33120), (2760, 28572), (3312, 23810), (3680, 21429), (4140, 19048), (4762, 16560), (5520, 14286), (6624, 11905), (7143, 11040), (8280, 9524)]