79929920

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2099}}^1$

素因数の和:2140

約数の個数: 112

約数和(自身を含む): 230428800

約数和(自身を除く): 150498880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 64, 68, 70, 80, 85, 112, 119, 136, 140, 160, 170, 224, 238, 272, 280, 320, 340, 448, 476, 544, 560, 595, 680, 952, 1088, 1120, 1190, 1360, 1904, 2099, 2240, 2380, 2720, 3808, 4198, 4760, 5440, 7616, 8396, 9520, 10495, 14693, 16792, 19040, 20990, 29386, 33584, 35683, 38080, 41980, 58772, 67168, 71366, 73465, 83960, 117544, 134336, 142732, 146930, 167920, 178415, 235088, 249781, 285464, 293860, 335840, 356830, 470176, 499562, 570928, 587720, 671680, 713660, 940352, 999124, 1141856, 1175440, 1248905, 1427320, 1998248, 2283712, 2350880, 2497810, 2854640, 3996496, 4701760, 4995620, 5709280, 7992992, 9991240, 11418560, 15985984, 19982480, 39964960, 79929920]

約数ペア:

[(1, 79929920), (2, 39964960), (4, 19982480), (5, 15985984), (7, 11418560), (8, 9991240), (10, 7992992), (14, 5709280), (16, 4995620), (17, 4701760), (20, 3996496), (28, 2854640), (32, 2497810), (34, 2350880), (35, 2283712), (40, 1998248), (56, 1427320), (64, 1248905), (68, 1175440), (70, 1141856), (80, 999124), (85, 940352), (112, 713660), (119, 671680), (136, 587720), (140, 570928), (160, 499562), (170, 470176), (224, 356830), (238, 335840), (272, 293860), (280, 285464), (320, 249781), (340, 235088), (448, 178415), (476, 167920), (544, 146930), (560, 142732), (595, 134336), (680, 117544), (952, 83960), (1088, 73465), (1120, 71366), (1190, 67168), (1360, 58772), (1904, 41980), (2099, 38080), (2240, 35683), (2380, 33584), (2720, 29386), (3808, 20990), (4198, 19040), (4760, 16792), (5440, 14693), (7616, 10495), (8396, 9520)]