138965680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:291

約数の個数: 160

約数和(自身を含む): 392832000

約数和(自身を除く): 253866320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 43, 56, 58, 70, 80, 86, 112, 116, 140, 145, 172, 199, 203, 215, 232, 280, 290, 301, 344, 398, 406, 430, 464, 560, 580, 602, 688, 796, 812, 860, 995, 1015, 1160, 1204, 1247, 1393, 1505, 1592, 1624, 1720, 1990, 2030, 2320, 2408, 2494, 2786, 3010, 3184, 3248, 3440, 3980, 4060, 4816, 4988, 5572, 5771, 6020, 6235, 6965, 7960, 8120, 8557, 8729, 9976, 11144, 11542, 12040, 12470, 13930, 15920, 16240, 17114, 17458, 19952, 22288, 23084, 24080, 24940, 27860, 28855, 34228, 34916, 40397, 42785, 43645, 46168, 49880, 55720, 57710, 59899, 68456, 69832, 80794, 85570, 87290, 92336, 99760, 111440, 115420, 119798, 136912, 139664, 161588, 171140, 174580, 201985, 230840, 239596, 248153, 299495, 323176, 342280, 349160, 403970, 461680, 479192, 496306, 598990, 646352, 684560, 698320, 807940, 958384, 992612, 1197980, 1240765, 1615880, 1737071, 1985224, 2395960, 2481530, 3231760, 3474142, 3970448, 4791920, 4963060, 6948284, 8685355, 9926120, 13896568, 17370710, 19852240, 27793136, 34741420, 69482840, 138965680]

約数ペア:

[(1, 138965680), (2, 69482840), (4, 34741420), (5, 27793136), (7, 19852240), (8, 17370710), (10, 13896568), (14, 9926120), (16, 8685355), (20, 6948284), (28, 4963060), (29, 4791920), (35, 3970448), (40, 3474142), (43, 3231760), (56, 2481530), (58, 2395960), (70, 1985224), (80, 1737071), (86, 1615880), (112, 1240765), (116, 1197980), (140, 992612), (145, 958384), (172, 807940), (199, 698320), (203, 684560), (215, 646352), (232, 598990), (280, 496306), (290, 479192), (301, 461680), (344, 403970), (398, 349160), (406, 342280), (430, 323176), (464, 299495), (560, 248153), (580, 239596), (602, 230840), (688, 201985), (796, 174580), (812, 171140), (860, 161588), (995, 139664), (1015, 136912), (1160, 119798), (1204, 115420), (1247, 111440), (1393, 99760), (1505, 92336), (1592, 87290), (1624, 85570), (1720, 80794), (1990, 69832), (2030, 68456), (2320, 59899), (2408, 57710), (2494, 55720), (2786, 49880), (3010, 46168), (3184, 43645), (3248, 42785), (3440, 40397), (3980, 34916), (4060, 34228), (4816, 28855), (4988, 27860), (5572, 24940), (5771, 24080), (6020, 23084), (6235, 22288), (6965, 19952), (7960, 17458), (8120, 17114), (8557, 16240), (8729, 15920), (9976, 13930), (11144, 12470), (11542, 12040)]