80555440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1$

素因数の和:219

約数の個数: 160

約数和(自身を含む): 230699520

約数和(自身を除く): 150144080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 67, 70, 76, 80, 95, 112, 113, 133, 134, 140, 152, 190, 226, 266, 268, 280, 304, 335, 380, 452, 469, 532, 536, 560, 565, 665, 670, 760, 791, 904, 938, 1064, 1072, 1130, 1273, 1330, 1340, 1520, 1582, 1808, 1876, 2128, 2147, 2260, 2345, 2546, 2660, 2680, 3164, 3752, 3955, 4294, 4520, 4690, 5092, 5320, 5360, 6328, 6365, 7504, 7571, 7910, 8588, 8911, 9040, 9380, 10184, 10640, 10735, 12656, 12730, 15029, 15142, 15820, 17176, 17822, 18760, 20368, 21470, 25460, 30058, 30284, 31640, 34352, 35644, 37520, 37855, 42940, 44555, 50920, 52997, 60116, 60568, 63280, 71288, 75145, 75710, 85880, 89110, 101840, 105994, 120232, 121136, 142576, 143849, 150290, 151420, 171760, 178220, 211988, 240464, 264985, 287698, 300580, 302840, 356440, 423976, 529970, 575396, 601160, 605680, 712880, 719245, 847952, 1006943, 1059940, 1150792, 1202320, 1438490, 2013886, 2119880, 2301584, 2876980, 4027772, 4239760, 5034715, 5753960, 8055544, 10069430, 11507920, 16111088, 20138860, 40277720, 80555440]

約数ペア:

[(1, 80555440), (2, 40277720), (4, 20138860), (5, 16111088), (7, 11507920), (8, 10069430), (10, 8055544), (14, 5753960), (16, 5034715), (19, 4239760), (20, 4027772), (28, 2876980), (35, 2301584), (38, 2119880), (40, 2013886), (56, 1438490), (67, 1202320), (70, 1150792), (76, 1059940), (80, 1006943), (95, 847952), (112, 719245), (113, 712880), (133, 605680), (134, 601160), (140, 575396), (152, 529970), (190, 423976), (226, 356440), (266, 302840), (268, 300580), (280, 287698), (304, 264985), (335, 240464), (380, 211988), (452, 178220), (469, 171760), (532, 151420), (536, 150290), (560, 143849), (565, 142576), (665, 121136), (670, 120232), (760, 105994), (791, 101840), (904, 89110), (938, 85880), (1064, 75710), (1072, 75145), (1130, 71288), (1273, 63280), (1330, 60568), (1340, 60116), (1520, 52997), (1582, 50920), (1808, 44555), (1876, 42940), (2128, 37855), (2147, 37520), (2260, 35644), (2345, 34352), (2546, 31640), (2660, 30284), (2680, 30058), (3164, 25460), (3752, 21470), (3955, 20368), (4294, 18760), (4520, 17822), (4690, 17176), (5092, 15820), (5320, 15142), (5360, 15029), (6328, 12730), (6365, 12656), (7504, 10735), (7571, 10640), (7910, 10184), (8588, 9380), (8911, 9040)]