78959440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:261

約数の個数: 160

約数和(自身を含む): 227485440

約数和(自身を除く): 148526000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 41, 56, 70, 76, 80, 82, 95, 112, 133, 140, 152, 164, 181, 190, 205, 266, 280, 287, 304, 328, 362, 380, 410, 532, 560, 574, 656, 665, 724, 760, 779, 820, 905, 1064, 1148, 1267, 1330, 1435, 1448, 1520, 1558, 1640, 1810, 2128, 2296, 2534, 2660, 2870, 2896, 3116, 3280, 3439, 3620, 3895, 4592, 5068, 5320, 5453, 5740, 6232, 6335, 6878, 7240, 7421, 7790, 10136, 10640, 10906, 11480, 12464, 12670, 13756, 14480, 14842, 15580, 17195, 20272, 21812, 22960, 24073, 25340, 27265, 27512, 29684, 31160, 34390, 37105, 43624, 48146, 50680, 51947, 54530, 55024, 59368, 62320, 68780, 74210, 87248, 96292, 101360, 103894, 109060, 118736, 120365, 137560, 140999, 148420, 192584, 207788, 218120, 240730, 259735, 275120, 281998, 296840, 385168, 415576, 436240, 481460, 519470, 563996, 593680, 704995, 831152, 962920, 986993, 1038940, 1127992, 1409990, 1925840, 1973986, 2077880, 2255984, 2819980, 3947972, 4155760, 4934965, 5639960, 7895944, 9869930, 11279920, 15791888, 19739860, 39479720, 78959440]

約数ペア:

[(1, 78959440), (2, 39479720), (4, 19739860), (5, 15791888), (7, 11279920), (8, 9869930), (10, 7895944), (14, 5639960), (16, 4934965), (19, 4155760), (20, 3947972), (28, 2819980), (35, 2255984), (38, 2077880), (40, 1973986), (41, 1925840), (56, 1409990), (70, 1127992), (76, 1038940), (80, 986993), (82, 962920), (95, 831152), (112, 704995), (133, 593680), (140, 563996), (152, 519470), (164, 481460), (181, 436240), (190, 415576), (205, 385168), (266, 296840), (280, 281998), (287, 275120), (304, 259735), (328, 240730), (362, 218120), (380, 207788), (410, 192584), (532, 148420), (560, 140999), (574, 137560), (656, 120365), (665, 118736), (724, 109060), (760, 103894), (779, 101360), (820, 96292), (905, 87248), (1064, 74210), (1148, 68780), (1267, 62320), (1330, 59368), (1435, 55024), (1448, 54530), (1520, 51947), (1558, 50680), (1640, 48146), (1810, 43624), (2128, 37105), (2296, 34390), (2534, 31160), (2660, 29684), (2870, 27512), (2896, 27265), (3116, 25340), (3280, 24073), (3439, 22960), (3620, 21812), (3895, 20272), (4592, 17195), (5068, 15580), (5320, 14842), (5453, 14480), (5740, 13756), (6232, 12670), (6335, 12464), (6878, 11480), (7240, 10906), (7421, 10640), (7790, 10136)]