1687197568

素因数分解:

$2^7\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:233

約数の個数: 256

約数和(自身を含む): 4386816000

約数和(自身を除く): 2699618432

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 23, 28, 31, 32, 38, 46, 56, 62, 64, 76, 92, 112, 124, 128, 133, 139, 152, 161, 184, 217, 224, 248, 266, 278, 304, 322, 368, 434, 437, 448, 496, 532, 556, 589, 608, 644, 713, 736, 868, 874, 896, 973, 992, 1064, 1112, 1178, 1216, 1288, 1426, 1472, 1736, 1748, 1946, 1984, 2128, 2224, 2356, 2432, 2576, 2641, 2852, 2944, 3059, 3197, 3472, 3496, 3892, 3968, 4123, 4256, 4309, 4448, 4712, 4991, 5152, 5282, 5704, 6118, 6394, 6944, 6992, 7784, 8246, 8512, 8618, 8896, 9424, 9982, 10304, 10564, 11408, 12236, 12788, 13547, 13888, 13984, 15568, 16492, 17024, 17236, 17792, 18487, 18848, 19964, 20608, 21128, 22379, 22816, 24472, 25576, 27094, 27776, 27968, 30163, 31136, 32984, 34472, 36974, 37696, 39928, 42256, 44758, 45632, 48944, 51152, 54188, 55936, 60326, 60743, 62272, 65968, 68944, 73948, 75392, 79856, 81871, 84512, 89516, 91264, 94829, 97888, 99107, 102304, 108376, 120652, 121486, 124544, 131936, 137888, 147896, 159712, 163742, 169024, 179032, 189658, 195776, 198214, 204608, 216752, 241304, 242972, 263872, 275776, 295792, 319424, 327484, 338048, 358064, 379316, 391552, 396428, 409216, 425201, 433504, 482608, 485944, 527744, 551552, 573097, 591584, 638848, 654968, 693749, 716128, 758632, 792856, 850402, 867008, 965216, 971888, 1146194, 1183168, 1309936, 1387498, 1432256, 1517264, 1585712, 1700804, 1734016, 1883033, 1930432, 1943776, 2292388, 2366336, 2619872, 2774996, 2864512, 3034528, 3171424, 3401608, 3766066, 3860864, 3887552, 4584776, 5239744, 5549992, 6069056, 6342848, 6803216, 7532132, 7775104, 9169552, 10479488, 11099984, 12138112, 12685696, 13181231, 13606432, 15064264, 18339104, 22199968, 26362462, 27212864, 30128528, 36678208, 44399936, 52724924, 54425728, 60257056, 73356416, 88799872, 105449848, 120514112, 210899696, 241028224, 421799392, 843598784, 1687197568]

約数ペア:

[(1, 1687197568), (2, 843598784), (4, 421799392), (7, 241028224), (8, 210899696), (14, 120514112), (16, 105449848), (19, 88799872), (23, 73356416), (28, 60257056), (31, 54425728), (32, 52724924), (38, 44399936), (46, 36678208), (56, 30128528), (62, 27212864), (64, 26362462), (76, 22199968), (92, 18339104), (112, 15064264), (124, 13606432), (128, 13181231), (133, 12685696), (139, 12138112), (152, 11099984), (161, 10479488), (184, 9169552), (217, 7775104), (224, 7532132), (248, 6803216), (266, 6342848), (278, 6069056), (304, 5549992), (322, 5239744), (368, 4584776), (434, 3887552), (437, 3860864), (448, 3766066), (496, 3401608), (532, 3171424), (556, 3034528), (589, 2864512), (608, 2774996), (644, 2619872), (713, 2366336), (736, 2292388), (868, 1943776), (874, 1930432), (896, 1883033), (973, 1734016), (992, 1700804), (1064, 1585712), (1112, 1517264), (1178, 1432256), (1216, 1387498), (1288, 1309936), (1426, 1183168), (1472, 1146194), (1736, 971888), (1748, 965216), (1946, 867008), (1984, 850402), (2128, 792856), (2224, 758632), (2356, 716128), (2432, 693749), (2576, 654968), (2641, 638848), (2852, 591584), (2944, 573097), (3059, 551552), (3197, 527744), (3472, 485944), (3496, 482608), (3892, 433504), (3968, 425201), (4123, 409216), (4256, 396428), (4309, 391552), (4448, 379316), (4712, 358064), (4991, 338048), (5152, 327484), (5282, 319424), (5704, 295792), (6118, 275776), (6394, 263872), (6944, 242972), (6992, 241304), (7784, 216752), (8246, 204608), (8512, 198214), (8618, 195776), (8896, 189658), (9424, 179032), (9982, 169024), (10304, 163742), (10564, 159712), (11408, 147896), (12236, 137888), (12788, 131936), (13547, 124544), (13888, 121486), (13984, 120652), (15568, 108376), (16492, 102304), (17024, 99107), (17236, 97888), (17792, 94829), (18487, 91264), (18848, 89516), (19964, 84512), (20608, 81871), (21128, 79856), (22379, 75392), (22816, 73948), (24472, 68944), (25576, 65968), (27094, 62272), (27776, 60743), (27968, 60326), (30163, 55936), (31136, 54188), (32984, 51152), (34472, 48944), (36974, 45632), (37696, 44758), (39928, 42256)]