280981272

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:222

約数の個数: 256

約数和(自身を含む): 903168000

約数和(自身を除く): 622186728

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 19, 22, 24, 26, 31, 33, 38, 39, 44, 52, 57, 62, 66, 76, 78, 88, 93, 104, 114, 124, 132, 139, 143, 152, 156, 186, 209, 228, 247, 248, 264, 278, 286, 312, 341, 372, 403, 417, 418, 429, 456, 494, 556, 572, 589, 627, 682, 741, 744, 806, 834, 836, 858, 988, 1023, 1112, 1144, 1178, 1209, 1254, 1364, 1482, 1529, 1612, 1668, 1672, 1716, 1767, 1807, 1976, 2046, 2356, 2418, 2508, 2641, 2717, 2728, 2964, 3058, 3224, 3336, 3432, 3534, 3614, 4092, 4309, 4433, 4587, 4712, 4836, 5016, 5282, 5421, 5434, 5928, 6116, 6479, 7068, 7228, 7657, 7923, 8151, 8184, 8618, 8866, 9174, 9672, 10564, 10842, 10868, 12232, 12927, 12958, 13299, 14136, 14456, 15314, 15846, 16302, 17236, 17732, 18348, 19437, 19877, 21128, 21684, 21736, 22971, 25854, 25916, 26598, 29051, 30628, 31692, 32604, 34333, 34472, 35464, 36696, 38874, 39754, 43368, 45942, 47399, 51708, 51832, 53196, 56017, 58102, 59631, 61256, 63384, 65208, 68666, 77748, 79508, 81871, 84227, 87153, 91884, 94798, 102999, 103416, 106392, 112034, 116204, 119262, 137332, 142197, 155496, 159016, 163742, 168051, 168454, 174306, 183768, 189596, 205998, 224068, 232408, 238524, 245613, 252681, 274664, 284394, 327484, 336102, 336908, 348612, 377663, 379192, 411996, 448136, 477048, 491226, 505362, 568788, 616187, 654968, 672204, 673816, 697224, 755326, 823992, 900581, 982452, 1010724, 1064323, 1132989, 1137576, 1232374, 1344408, 1510652, 1801162, 1848561, 1964904, 2021448, 2128646, 2265978, 2464748, 2701743, 3021304, 3192969, 3602324, 3697122, 4257292, 4531956, 4929496, 5403486, 6385938, 7204648, 7394244, 8514584, 9063912, 10806972, 11707553, 12771876, 14788488, 21613944, 23415106, 25543752, 35122659, 46830212, 70245318, 93660424, 140490636, 280981272]

約数ペア:

[(1, 280981272), (2, 140490636), (3, 93660424), (4, 70245318), (6, 46830212), (8, 35122659), (11, 25543752), (12, 23415106), (13, 21613944), (19, 14788488), (22, 12771876), (24, 11707553), (26, 10806972), (31, 9063912), (33, 8514584), (38, 7394244), (39, 7204648), (44, 6385938), (52, 5403486), (57, 4929496), (62, 4531956), (66, 4257292), (76, 3697122), (78, 3602324), (88, 3192969), (93, 3021304), (104, 2701743), (114, 2464748), (124, 2265978), (132, 2128646), (139, 2021448), (143, 1964904), (152, 1848561), (156, 1801162), (186, 1510652), (209, 1344408), (228, 1232374), (247, 1137576), (248, 1132989), (264, 1064323), (278, 1010724), (286, 982452), (312, 900581), (341, 823992), (372, 755326), (403, 697224), (417, 673816), (418, 672204), (429, 654968), (456, 616187), (494, 568788), (556, 505362), (572, 491226), (589, 477048), (627, 448136), (682, 411996), (741, 379192), (744, 377663), (806, 348612), (834, 336908), (836, 336102), (858, 327484), (988, 284394), (1023, 274664), (1112, 252681), (1144, 245613), (1178, 238524), (1209, 232408), (1254, 224068), (1364, 205998), (1482, 189596), (1529, 183768), (1612, 174306), (1668, 168454), (1672, 168051), (1716, 163742), (1767, 159016), (1807, 155496), (1976, 142197), (2046, 137332), (2356, 119262), (2418, 116204), (2508, 112034), (2641, 106392), (2717, 103416), (2728, 102999), (2964, 94798), (3058, 91884), (3224, 87153), (3336, 84227), (3432, 81871), (3534, 79508), (3614, 77748), (4092, 68666), (4309, 65208), (4433, 63384), (4587, 61256), (4712, 59631), (4836, 58102), (5016, 56017), (5282, 53196), (5421, 51832), (5434, 51708), (5928, 47399), (6116, 45942), (6479, 43368), (7068, 39754), (7228, 38874), (7657, 36696), (7923, 35464), (8151, 34472), (8184, 34333), (8618, 32604), (8866, 31692), (9174, 30628), (9672, 29051), (10564, 26598), (10842, 25916), (10868, 25854), (12232, 22971), (12927, 21736), (12958, 21684), (13299, 21128), (14136, 19877), (14456, 19437), (15314, 18348), (15846, 17732), (16302, 17236)]