128925280

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:213

約数の個数: 192

約数和(自身を含む): 365783040

約数和(自身を除く): 236857760

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 31, 32, 34, 40, 44, 55, 62, 68, 80, 85, 88, 110, 124, 136, 139, 155, 160, 170, 176, 187, 220, 248, 272, 278, 310, 340, 341, 352, 374, 440, 496, 527, 544, 556, 620, 680, 682, 695, 748, 880, 935, 992, 1054, 1112, 1240, 1360, 1364, 1390, 1496, 1529, 1705, 1760, 1870, 2108, 2224, 2363, 2480, 2635, 2720, 2728, 2780, 2992, 3058, 3410, 3740, 4216, 4309, 4448, 4726, 4960, 5270, 5456, 5560, 5797, 5984, 6116, 6820, 7480, 7645, 8432, 8618, 9452, 10540, 10912, 11120, 11594, 11815, 12232, 13640, 14960, 15290, 16864, 17236, 18904, 21080, 21545, 22240, 23188, 23630, 24464, 25993, 27280, 28985, 29920, 30580, 34472, 37808, 42160, 43090, 46376, 47260, 47399, 48928, 51986, 54560, 57970, 61160, 68944, 73253, 75616, 84320, 86180, 92752, 94520, 94798, 103972, 115940, 122320, 129965, 137888, 146506, 172360, 185504, 189040, 189596, 207944, 231880, 236995, 244640, 259930, 293012, 344720, 366265, 378080, 379192, 415888, 463760, 473990, 519860, 586024, 689440, 732530, 758384, 805783, 831776, 927520, 947980, 1039720, 1172048, 1465060, 1516768, 1611566, 1895960, 2079440, 2344096, 2930120, 3223132, 3791920, 4028915, 4158880, 5860240, 6446264, 7583840, 8057830, 11720480, 12892528, 16115660, 25785056, 32231320, 64462640, 128925280]

約数ペア:

[(1, 128925280), (2, 64462640), (4, 32231320), (5, 25785056), (8, 16115660), (10, 12892528), (11, 11720480), (16, 8057830), (17, 7583840), (20, 6446264), (22, 5860240), (31, 4158880), (32, 4028915), (34, 3791920), (40, 3223132), (44, 2930120), (55, 2344096), (62, 2079440), (68, 1895960), (80, 1611566), (85, 1516768), (88, 1465060), (110, 1172048), (124, 1039720), (136, 947980), (139, 927520), (155, 831776), (160, 805783), (170, 758384), (176, 732530), (187, 689440), (220, 586024), (248, 519860), (272, 473990), (278, 463760), (310, 415888), (340, 379192), (341, 378080), (352, 366265), (374, 344720), (440, 293012), (496, 259930), (527, 244640), (544, 236995), (556, 231880), (620, 207944), (680, 189596), (682, 189040), (695, 185504), (748, 172360), (880, 146506), (935, 137888), (992, 129965), (1054, 122320), (1112, 115940), (1240, 103972), (1360, 94798), (1364, 94520), (1390, 92752), (1496, 86180), (1529, 84320), (1705, 75616), (1760, 73253), (1870, 68944), (2108, 61160), (2224, 57970), (2363, 54560), (2480, 51986), (2635, 48928), (2720, 47399), (2728, 47260), (2780, 46376), (2992, 43090), (3058, 42160), (3410, 37808), (3740, 34472), (4216, 30580), (4309, 29920), (4448, 28985), (4726, 27280), (4960, 25993), (5270, 24464), (5456, 23630), (5560, 23188), (5797, 22240), (5984, 21545), (6116, 21080), (6820, 18904), (7480, 17236), (7645, 16864), (8432, 15290), (8618, 14960), (9452, 13640), (10540, 12232), (10912, 11815), (11120, 11594)]