256774896

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{151}}^1\times {\mathrm{241}}^1$

素因数の和:420

約数の個数: 180

約数和(自身を含む): 844965264

約数和(自身を除く): 588190368

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 49, 56, 63, 72, 84, 98, 112, 126, 144, 147, 151, 168, 196, 241, 252, 294, 302, 336, 392, 441, 453, 482, 504, 588, 604, 723, 784, 882, 906, 964, 1008, 1057, 1176, 1208, 1359, 1446, 1687, 1764, 1812, 1928, 2114, 2169, 2352, 2416, 2718, 2892, 3171, 3374, 3528, 3624, 3856, 4228, 4338, 5061, 5436, 5784, 6342, 6748, 7056, 7248, 7399, 8456, 8676, 9513, 10122, 10872, 11568, 11809, 12684, 13496, 14798, 15183, 16912, 17352, 19026, 20244, 21744, 22197, 23618, 25368, 26992, 29596, 30366, 34704, 35427, 36391, 38052, 40488, 44394, 47236, 50736, 59192, 60732, 66591, 70854, 72782, 76104, 80976, 88788, 94472, 106281, 109173, 118384, 121464, 133182, 141708, 145564, 152208, 177576, 188944, 212562, 218346, 242928, 254737, 266364, 283416, 291128, 327519, 355152, 425124, 436692, 509474, 532728, 566832, 582256, 655038, 764211, 850248, 873384, 1018948, 1065456, 1310076, 1528422, 1700496, 1746768, 1783159, 2037896, 2292633, 2620152, 3056844, 3566318, 4075792, 4585266, 5240304, 5349477, 6113688, 7132636, 9170532, 10698954, 12227376, 14265272, 16048431, 18341064, 21397908, 28530544, 32096862, 36682128, 42795816, 64193724, 85591632, 128387448, 256774896]

約数ペア:

[(1, 256774896), (2, 128387448), (3, 85591632), (4, 64193724), (6, 42795816), (7, 36682128), (8, 32096862), (9, 28530544), (12, 21397908), (14, 18341064), (16, 16048431), (18, 14265272), (21, 12227376), (24, 10698954), (28, 9170532), (36, 7132636), (42, 6113688), (48, 5349477), (49, 5240304), (56, 4585266), (63, 4075792), (72, 3566318), (84, 3056844), (98, 2620152), (112, 2292633), (126, 2037896), (144, 1783159), (147, 1746768), (151, 1700496), (168, 1528422), (196, 1310076), (241, 1065456), (252, 1018948), (294, 873384), (302, 850248), (336, 764211), (392, 655038), (441, 582256), (453, 566832), (482, 532728), (504, 509474), (588, 436692), (604, 425124), (723, 355152), (784, 327519), (882, 291128), (906, 283416), (964, 266364), (1008, 254737), (1057, 242928), (1176, 218346), (1208, 212562), (1359, 188944), (1446, 177576), (1687, 152208), (1764, 145564), (1812, 141708), (1928, 133182), (2114, 121464), (2169, 118384), (2352, 109173), (2416, 106281), (2718, 94472), (2892, 88788), (3171, 80976), (3374, 76104), (3528, 72782), (3624, 70854), (3856, 66591), (4228, 60732), (4338, 59192), (5061, 50736), (5436, 47236), (5784, 44394), (6342, 40488), (6748, 38052), (7056, 36391), (7248, 35427), (7399, 34704), (8456, 30366), (8676, 29596), (9513, 26992), (10122, 25368), (10872, 23618), (11568, 22197), (11809, 21744), (12684, 20244), (13496, 19026), (14798, 17352), (15183, 16912)]