256470816

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{379}}^1$

素因数の和:471

約数の個数: 192

約数和(自身を含む): 827366400

約数和(自身を除く): 570895584

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 32, 38, 42, 48, 53, 56, 57, 76, 84, 96, 106, 112, 114, 133, 152, 159, 168, 212, 224, 228, 266, 304, 318, 336, 371, 379, 399, 424, 456, 532, 608, 636, 672, 742, 758, 798, 848, 912, 1007, 1064, 1113, 1137, 1272, 1484, 1516, 1596, 1696, 1824, 2014, 2128, 2226, 2274, 2544, 2653, 2968, 3021, 3032, 3192, 4028, 4256, 4452, 4548, 5088, 5306, 5936, 6042, 6064, 6384, 7049, 7201, 7959, 8056, 8904, 9096, 10612, 11872, 12084, 12128, 12768, 14098, 14402, 15918, 16112, 17808, 18192, 20087, 21147, 21224, 21603, 24168, 28196, 28804, 31836, 32224, 35616, 36384, 40174, 42294, 42448, 43206, 48336, 50407, 56392, 57608, 60261, 63672, 80348, 84588, 84896, 86412, 96672, 100814, 112784, 115216, 120522, 127344, 140609, 151221, 160696, 169176, 172824, 201628, 225568, 230432, 241044, 254688, 281218, 302442, 321392, 338352, 345648, 381653, 403256, 421827, 482088, 562436, 604884, 642784, 676704, 691296, 763306, 806512, 843654, 964176, 1124872, 1144959, 1209768, 1526612, 1613024, 1687308, 1928352, 2249744, 2289918, 2419536, 2671571, 3053224, 3374616, 4499488, 4579836, 4839072, 5343142, 6106448, 6749232, 8014713, 9159672, 10686284, 12212896, 13498464, 16029426, 18319344, 21372568, 32058852, 36638688, 42745136, 64117704, 85490272, 128235408, 256470816]

約数ペア:

[(1, 256470816), (2, 128235408), (3, 85490272), (4, 64117704), (6, 42745136), (7, 36638688), (8, 32058852), (12, 21372568), (14, 18319344), (16, 16029426), (19, 13498464), (21, 12212896), (24, 10686284), (28, 9159672), (32, 8014713), (38, 6749232), (42, 6106448), (48, 5343142), (53, 4839072), (56, 4579836), (57, 4499488), (76, 3374616), (84, 3053224), (96, 2671571), (106, 2419536), (112, 2289918), (114, 2249744), (133, 1928352), (152, 1687308), (159, 1613024), (168, 1526612), (212, 1209768), (224, 1144959), (228, 1124872), (266, 964176), (304, 843654), (318, 806512), (336, 763306), (371, 691296), (379, 676704), (399, 642784), (424, 604884), (456, 562436), (532, 482088), (608, 421827), (636, 403256), (672, 381653), (742, 345648), (758, 338352), (798, 321392), (848, 302442), (912, 281218), (1007, 254688), (1064, 241044), (1113, 230432), (1137, 225568), (1272, 201628), (1484, 172824), (1516, 169176), (1596, 160696), (1696, 151221), (1824, 140609), (2014, 127344), (2128, 120522), (2226, 115216), (2274, 112784), (2544, 100814), (2653, 96672), (2968, 86412), (3021, 84896), (3032, 84588), (3192, 80348), (4028, 63672), (4256, 60261), (4452, 57608), (4548, 56392), (5088, 50407), (5306, 48336), (5936, 43206), (6042, 42448), (6064, 42294), (6384, 40174), (7049, 36384), (7201, 35616), (7959, 32224), (8056, 31836), (8904, 28804), (9096, 28196), (10612, 24168), (11872, 21603), (12084, 21224), (12128, 21147), (12768, 20087), (14098, 18192), (14402, 17808), (15918, 16112)]