256439705856

素因数分解:

$2^8\times 3^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{29837}}^1$

素因数の和:29925

約数の個数: 216

約数和(自身を含む): 743576327424

約数和(自身を除く): 487136621568

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 31, 32, 38, 48, 57, 62, 64, 76, 93, 96, 114, 124, 128, 152, 186, 192, 228, 248, 256, 304, 361, 372, 384, 456, 496, 589, 608, 722, 744, 768, 912, 992, 1083, 1178, 1216, 1444, 1488, 1767, 1824, 1984, 2166, 2356, 2432, 2888, 2976, 3534, 3648, 3968, 4332, 4712, 4864, 5776, 5952, 7068, 7296, 7936, 8664, 9424, 11191, 11552, 11904, 14136, 14592, 17328, 18848, 22382, 23104, 23808, 28272, 29837, 33573, 34656, 37696, 44764, 46208, 56544, 59674, 67146, 69312, 75392, 89511, 89528, 92416, 113088, 119348, 134292, 138624, 150784, 179022, 179056, 226176, 238696, 268584, 277248, 358044, 358112, 452352, 477392, 537168, 566903, 716088, 716224, 924947, 954784, 1074336, 1133806, 1432176, 1432448, 1700709, 1849894, 1909568, 2148672, 2267612, 2774841, 2864352, 2864896, 3401418, 3699788, 3819136, 4297344, 4535224, 5549682, 5728704, 6802836, 7399576, 7638272, 8594688, 9070448, 10771157, 11099364, 11457408, 13605672, 14799152, 17573993, 18140896, 21542314, 22198728, 22914816, 27211344, 29598304, 32313471, 35147986, 36281792, 43084628, 44397456, 52721979, 54422688, 59196608, 64626942, 70295972, 72563584, 86169256, 88794912, 105443958, 108845376, 118393216, 129253884, 140591944, 145127168, 172338512, 177589824, 210887916, 217690752, 236786432, 258507768, 281183888, 333905867, 344677024, 355179648, 421775832, 435381504, 517015536, 562367776, 667811734, 689354048, 710359296, 843551664, 1001717601, 1034031072, 1124735552, 1335623468, 1378708096, 1687103328, 2003435202, 2068062144, 2249471104, 2671246936, 2757416192, 3374206656, 4006870404, 4136124288, 4498942208, 5342493872, 6748413312, 8013740808, 8272248576, 10684987744, 13496826624, 16027481616, 21369975488, 32054963232, 42739950976, 64109926464, 85479901952, 128219852928, 256439705856]

約数ペア:

[(1, 256439705856), (2, 128219852928), (3, 85479901952), (4, 64109926464), (6, 42739950976), (8, 32054963232), (12, 21369975488), (16, 16027481616), (19, 13496826624), (24, 10684987744), (31, 8272248576), (32, 8013740808), (38, 6748413312), (48, 5342493872), (57, 4498942208), (62, 4136124288), (64, 4006870404), (76, 3374206656), (93, 2757416192), (96, 2671246936), (114, 2249471104), (124, 2068062144), (128, 2003435202), (152, 1687103328), (186, 1378708096), (192, 1335623468), (228, 1124735552), (248, 1034031072), (256, 1001717601), (304, 843551664), (361, 710359296), (372, 689354048), (384, 667811734), (456, 562367776), (496, 517015536), (589, 435381504), (608, 421775832), (722, 355179648), (744, 344677024), (768, 333905867), (912, 281183888), (992, 258507768), (1083, 236786432), (1178, 217690752), (1216, 210887916), (1444, 177589824), (1488, 172338512), (1767, 145127168), (1824, 140591944), (1984, 129253884), (2166, 118393216), (2356, 108845376), (2432, 105443958), (2888, 88794912), (2976, 86169256), (3534, 72563584), (3648, 70295972), (3968, 64626942), (4332, 59196608), (4712, 54422688), (4864, 52721979), (5776, 44397456), (5952, 43084628), (7068, 36281792), (7296, 35147986), (7936, 32313471), (8664, 29598304), (9424, 27211344), (11191, 22914816), (11552, 22198728), (11904, 21542314), (14136, 18140896), (14592, 17573993), (17328, 14799152), (18848, 13605672), (22382, 11457408), (23104, 11099364), (23808, 10771157), (28272, 9070448), (29837, 8594688), (33573, 7638272), (34656, 7399576), (37696, 6802836), (44764, 5728704), (46208, 5549682), (56544, 4535224), (59674, 4297344), (67146, 3819136), (69312, 3699788), (75392, 3401418), (89511, 2864896), (89528, 2864352), (92416, 2774841), (113088, 2267612), (119348, 2148672), (134292, 1909568), (138624, 1849894), (150784, 1700709), (179022, 1432448), (179056, 1432176), (226176, 1133806), (238696, 1074336), (268584, 954784), (277248, 924947), (358044, 716224), (358112, 716088), (452352, 566903), (477392, 537168)]