280236528

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{439}}^1$

素因数の和:508

約数の個数: 240

約数和(自身を含む): 953272320

約数和(自身を除く): 673035792

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 13, 16, 18, 22, 24, 26, 31, 33, 36, 39, 44, 48, 52, 62, 66, 72, 78, 88, 93, 99, 104, 117, 124, 132, 143, 144, 156, 176, 186, 198, 208, 234, 248, 264, 279, 286, 312, 341, 372, 396, 403, 429, 439, 468, 496, 528, 558, 572, 624, 682, 744, 792, 806, 858, 878, 936, 1023, 1116, 1144, 1209, 1287, 1317, 1364, 1488, 1584, 1612, 1716, 1756, 1872, 2046, 2232, 2288, 2418, 2574, 2634, 2728, 3069, 3224, 3432, 3512, 3627, 3951, 4092, 4433, 4464, 4829, 4836, 5148, 5268, 5456, 5707, 6138, 6448, 6864, 7024, 7254, 7902, 8184, 8866, 9658, 9672, 10296, 10536, 11414, 12276, 13299, 13609, 14487, 14508, 15804, 16368, 17121, 17732, 19316, 19344, 20592, 21072, 22828, 24552, 26598, 27218, 28974, 29016, 31608, 34242, 35464, 38632, 39897, 40827, 43461, 45656, 49104, 51363, 53196, 54436, 57948, 58032, 62777, 63216, 68484, 70928, 77264, 79794, 81654, 86922, 91312, 102726, 106392, 108872, 115896, 122481, 125554, 136968, 149699, 159588, 163308, 173844, 176917, 188331, 205452, 212784, 217744, 231792, 244962, 251108, 273936, 299398, 319176, 326616, 347688, 353834, 376662, 410904, 449097, 489924, 502216, 530751, 564993, 598796, 638352, 653232, 695376, 707668, 753324, 821808, 898194, 979848, 1004432, 1061502, 1129986, 1197592, 1347291, 1415336, 1506648, 1592253, 1796388, 1946087, 1959696, 2123004, 2259972, 2395184, 2694582, 2830672, 3013296, 3184506, 3592776, 3892174, 4246008, 4519944, 5389164, 5838261, 6369012, 7185552, 7784348, 8492016, 9039888, 10778328, 11676522, 12738024, 15568696, 17514783, 21556656, 23353044, 25476048, 31137392, 35029566, 46706088, 70059132, 93412176, 140118264, 280236528]

約数ペア:

[(1, 280236528), (2, 140118264), (3, 93412176), (4, 70059132), (6, 46706088), (8, 35029566), (9, 31137392), (11, 25476048), (12, 23353044), (13, 21556656), (16, 17514783), (18, 15568696), (22, 12738024), (24, 11676522), (26, 10778328), (31, 9039888), (33, 8492016), (36, 7784348), (39, 7185552), (44, 6369012), (48, 5838261), (52, 5389164), (62, 4519944), (66, 4246008), (72, 3892174), (78, 3592776), (88, 3184506), (93, 3013296), (99, 2830672), (104, 2694582), (117, 2395184), (124, 2259972), (132, 2123004), (143, 1959696), (144, 1946087), (156, 1796388), (176, 1592253), (186, 1506648), (198, 1415336), (208, 1347291), (234, 1197592), (248, 1129986), (264, 1061502), (279, 1004432), (286, 979848), (312, 898194), (341, 821808), (372, 753324), (396, 707668), (403, 695376), (429, 653232), (439, 638352), (468, 598796), (496, 564993), (528, 530751), (558, 502216), (572, 489924), (624, 449097), (682, 410904), (744, 376662), (792, 353834), (806, 347688), (858, 326616), (878, 319176), (936, 299398), (1023, 273936), (1116, 251108), (1144, 244962), (1209, 231792), (1287, 217744), (1317, 212784), (1364, 205452), (1488, 188331), (1584, 176917), (1612, 173844), (1716, 163308), (1756, 159588), (1872, 149699), (2046, 136968), (2232, 125554), (2288, 122481), (2418, 115896), (2574, 108872), (2634, 106392), (2728, 102726), (3069, 91312), (3224, 86922), (3432, 81654), (3512, 79794), (3627, 77264), (3951, 70928), (4092, 68484), (4433, 63216), (4464, 62777), (4829, 58032), (4836, 57948), (5148, 54436), (5268, 53196), (5456, 51363), (5707, 49104), (6138, 45656), (6448, 43461), (6864, 40827), (7024, 39897), (7254, 38632), (7902, 35464), (8184, 34242), (8866, 31608), (9658, 29016), (9672, 28974), (10296, 27218), (10536, 26598), (11414, 24552), (12276, 22828), (13299, 21072), (13609, 20592), (14487, 19344), (14508, 19316), (15804, 17732), (16368, 17121)]