80778560

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{479}}^1$

素因数の和:544

約数の個数: 112

約数和(自身を含む): 210677760

約数和(自身を除く): 129899200

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 64, 68, 80, 85, 124, 136, 155, 160, 170, 248, 272, 310, 320, 340, 479, 496, 527, 544, 620, 680, 958, 992, 1054, 1088, 1240, 1360, 1916, 1984, 2108, 2395, 2480, 2635, 2720, 3832, 4216, 4790, 4960, 5270, 5440, 7664, 8143, 8432, 9580, 9920, 10540, 14849, 15328, 16286, 16864, 19160, 21080, 29698, 30656, 32572, 33728, 38320, 40715, 42160, 59396, 65144, 74245, 76640, 81430, 84320, 118792, 130288, 148490, 153280, 162860, 168640, 237584, 252433, 260576, 296980, 325720, 475168, 504866, 521152, 593960, 651440, 950336, 1009732, 1187920, 1262165, 1302880, 2019464, 2375840, 2524330, 2605760, 4038928, 4751680, 5048660, 8077856, 10097320, 16155712, 20194640, 40389280, 80778560]

約数ペア:

[(1, 80778560), (2, 40389280), (4, 20194640), (5, 16155712), (8, 10097320), (10, 8077856), (16, 5048660), (17, 4751680), (20, 4038928), (31, 2605760), (32, 2524330), (34, 2375840), (40, 2019464), (62, 1302880), (64, 1262165), (68, 1187920), (80, 1009732), (85, 950336), (124, 651440), (136, 593960), (155, 521152), (160, 504866), (170, 475168), (248, 325720), (272, 296980), (310, 260576), (320, 252433), (340, 237584), (479, 168640), (496, 162860), (527, 153280), (544, 148490), (620, 130288), (680, 118792), (958, 84320), (992, 81430), (1054, 76640), (1088, 74245), (1240, 65144), (1360, 59396), (1916, 42160), (1984, 40715), (2108, 38320), (2395, 33728), (2480, 32572), (2635, 30656), (2720, 29698), (3832, 21080), (4216, 19160), (4790, 16864), (4960, 16286), (5270, 15328), (5440, 14849), (7664, 10540), (8143, 9920), (8432, 9580)]