78511440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2749}}^1$

素因数の和:2789

約数の個数: 160

約数和(自身を含む): 294624000

約数和(自身を除く): 216112560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 48, 51, 56, 60, 68, 70, 80, 84, 85, 102, 105, 112, 119, 120, 136, 140, 168, 170, 204, 210, 238, 240, 255, 272, 280, 336, 340, 357, 408, 420, 476, 510, 560, 595, 680, 714, 816, 840, 952, 1020, 1190, 1360, 1428, 1680, 1785, 1904, 2040, 2380, 2749, 2856, 3570, 4080, 4760, 5498, 5712, 7140, 8247, 9520, 10996, 13745, 14280, 16494, 19243, 21992, 27490, 28560, 32988, 38486, 41235, 43984, 46733, 54980, 57729, 65976, 76972, 82470, 93466, 96215, 109960, 115458, 131952, 140199, 153944, 164940, 186932, 192430, 219920, 230916, 233665, 280398, 288645, 307888, 327131, 329880, 373864, 384860, 461832, 467330, 560796, 577290, 654262, 659760, 700995, 747728, 769720, 923664, 934660, 981393, 1121592, 1154580, 1308524, 1401990, 1539440, 1635655, 1869320, 1962786, 2243184, 2309160, 2617048, 2803980, 3271310, 3738640, 3925572, 4618320, 4906965, 5234096, 5607960, 6542620, 7851144, 9813930, 11215920, 13085240, 15702288, 19627860, 26170480, 39255720, 78511440]

約数ペア:

[(1, 78511440), (2, 39255720), (3, 26170480), (4, 19627860), (5, 15702288), (6, 13085240), (7, 11215920), (8, 9813930), (10, 7851144), (12, 6542620), (14, 5607960), (15, 5234096), (16, 4906965), (17, 4618320), (20, 3925572), (21, 3738640), (24, 3271310), (28, 2803980), (30, 2617048), (34, 2309160), (35, 2243184), (40, 1962786), (42, 1869320), (48, 1635655), (51, 1539440), (56, 1401990), (60, 1308524), (68, 1154580), (70, 1121592), (80, 981393), (84, 934660), (85, 923664), (102, 769720), (105, 747728), (112, 700995), (119, 659760), (120, 654262), (136, 577290), (140, 560796), (168, 467330), (170, 461832), (204, 384860), (210, 373864), (238, 329880), (240, 327131), (255, 307888), (272, 288645), (280, 280398), (336, 233665), (340, 230916), (357, 219920), (408, 192430), (420, 186932), (476, 164940), (510, 153944), (560, 140199), (595, 131952), (680, 115458), (714, 109960), (816, 96215), (840, 93466), (952, 82470), (1020, 76972), (1190, 65976), (1360, 57729), (1428, 54980), (1680, 46733), (1785, 43984), (1904, 41235), (2040, 38486), (2380, 32988), (2749, 28560), (2856, 27490), (3570, 21992), (4080, 19243), (4760, 16494), (5498, 14280), (5712, 13745), (7140, 10996), (8247, 9520)]