208448520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:292

約数の個数: 256

約数和(自身を含む): 760320000

約数和(自身を除く): 551871480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 29, 30, 35, 40, 42, 43, 56, 58, 60, 70, 84, 86, 87, 105, 116, 120, 129, 140, 145, 168, 172, 174, 199, 203, 210, 215, 232, 258, 280, 290, 301, 344, 348, 398, 406, 420, 430, 435, 516, 580, 597, 602, 609, 645, 696, 796, 812, 840, 860, 870, 903, 995, 1015, 1032, 1160, 1194, 1204, 1218, 1247, 1290, 1393, 1505, 1592, 1624, 1720, 1740, 1806, 1990, 2030, 2388, 2408, 2436, 2494, 2580, 2786, 2985, 3010, 3045, 3480, 3612, 3741, 3980, 4060, 4179, 4515, 4776, 4872, 4988, 5160, 5572, 5771, 5970, 6020, 6090, 6235, 6965, 7224, 7482, 7960, 8120, 8358, 8557, 8729, 9030, 9976, 11144, 11542, 11940, 12040, 12180, 12470, 13930, 14964, 16716, 17114, 17313, 17458, 18060, 18705, 20895, 23084, 23880, 24360, 24940, 25671, 26187, 27860, 28855, 29928, 33432, 34228, 34626, 34916, 36120, 37410, 40397, 41790, 42785, 43645, 46168, 49880, 51342, 52374, 55720, 57710, 59899, 68456, 69252, 69832, 74820, 80794, 83580, 85570, 86565, 87290, 102684, 104748, 115420, 119798, 121191, 128355, 130935, 138504, 149640, 161588, 167160, 171140, 173130, 174580, 179697, 201985, 205368, 209496, 230840, 239596, 242382, 248153, 256710, 261870, 299495, 323176, 342280, 346260, 349160, 359394, 403970, 479192, 484764, 496306, 513420, 523740, 598990, 605955, 692520, 718788, 744459, 807940, 898485, 969528, 992612, 1026840, 1047480, 1197980, 1211910, 1240765, 1437576, 1488918, 1615880, 1737071, 1796970, 1985224, 2395960, 2423820, 2481530, 2977836, 3474142, 3593940, 3722295, 4847640, 4963060, 5211213, 5955672, 6948284, 7187880, 7444590, 8685355, 9926120, 10422426, 13896568, 14889180, 17370710, 20844852, 26056065, 29778360, 34741420, 41689704, 52112130, 69482840, 104224260, 208448520]

約数ペア:

[(1, 208448520), (2, 104224260), (3, 69482840), (4, 52112130), (5, 41689704), (6, 34741420), (7, 29778360), (8, 26056065), (10, 20844852), (12, 17370710), (14, 14889180), (15, 13896568), (20, 10422426), (21, 9926120), (24, 8685355), (28, 7444590), (29, 7187880), (30, 6948284), (35, 5955672), (40, 5211213), (42, 4963060), (43, 4847640), (56, 3722295), (58, 3593940), (60, 3474142), (70, 2977836), (84, 2481530), (86, 2423820), (87, 2395960), (105, 1985224), (116, 1796970), (120, 1737071), (129, 1615880), (140, 1488918), (145, 1437576), (168, 1240765), (172, 1211910), (174, 1197980), (199, 1047480), (203, 1026840), (210, 992612), (215, 969528), (232, 898485), (258, 807940), (280, 744459), (290, 718788), (301, 692520), (344, 605955), (348, 598990), (398, 523740), (406, 513420), (420, 496306), (430, 484764), (435, 479192), (516, 403970), (580, 359394), (597, 349160), (602, 346260), (609, 342280), (645, 323176), (696, 299495), (796, 261870), (812, 256710), (840, 248153), (860, 242382), (870, 239596), (903, 230840), (995, 209496), (1015, 205368), (1032, 201985), (1160, 179697), (1194, 174580), (1204, 173130), (1218, 171140), (1247, 167160), (1290, 161588), (1393, 149640), (1505, 138504), (1592, 130935), (1624, 128355), (1720, 121191), (1740, 119798), (1806, 115420), (1990, 104748), (2030, 102684), (2388, 87290), (2408, 86565), (2436, 85570), (2494, 83580), (2580, 80794), (2786, 74820), (2985, 69832), (3010, 69252), (3045, 68456), (3480, 59899), (3612, 57710), (3741, 55720), (3980, 52374), (4060, 51342), (4179, 49880), (4515, 46168), (4776, 43645), (4872, 42785), (4988, 41790), (5160, 40397), (5572, 37410), (5771, 36120), (5970, 34916), (6020, 34626), (6090, 34228), (6235, 33432), (6965, 29928), (7224, 28855), (7482, 27860), (7960, 26187), (8120, 25671), (8358, 24940), (8557, 24360), (8729, 23880), (9030, 23084), (9976, 20895), (11144, 18705), (11542, 18060), (11940, 17458), (12040, 17313), (12180, 17114), (12470, 16716), (13930, 14964)]