128865408

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{251}}^1$

素因数の和:466

約数の個数: 128

約数和(自身を含む): 394813440

約数和(自身を除く): 265948032

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 191, 192, 224, 251, 336, 382, 384, 448, 502, 573, 672, 753, 764, 896, 1004, 1146, 1337, 1344, 1506, 1528, 1757, 2008, 2292, 2674, 2688, 3012, 3056, 3514, 4011, 4016, 4584, 5271, 5348, 6024, 6112, 7028, 8022, 8032, 9168, 10542, 10696, 12048, 12224, 14056, 16044, 16064, 18336, 21084, 21392, 24096, 24448, 28112, 32088, 32128, 36672, 42168, 42784, 47941, 48192, 56224, 64176, 73344, 84336, 85568, 95882, 96384, 112448, 128352, 143823, 168672, 171136, 191764, 224896, 256704, 287646, 335587, 337344, 383528, 513408, 575292, 671174, 674688, 767056, 1006761, 1150584, 1342348, 1534112, 2013522, 2301168, 2684696, 3068224, 4027044, 4602336, 5369392, 6136448, 8054088, 9204672, 10738784, 16108176, 18409344, 21477568, 32216352, 42955136, 64432704, 128865408]

約数ペア:

[(1, 128865408), (2, 64432704), (3, 42955136), (4, 32216352), (6, 21477568), (7, 18409344), (8, 16108176), (12, 10738784), (14, 9204672), (16, 8054088), (21, 6136448), (24, 5369392), (28, 4602336), (32, 4027044), (42, 3068224), (48, 2684696), (56, 2301168), (64, 2013522), (84, 1534112), (96, 1342348), (112, 1150584), (128, 1006761), (168, 767056), (191, 674688), (192, 671174), (224, 575292), (251, 513408), (336, 383528), (382, 337344), (384, 335587), (448, 287646), (502, 256704), (573, 224896), (672, 191764), (753, 171136), (764, 168672), (896, 143823), (1004, 128352), (1146, 112448), (1337, 96384), (1344, 95882), (1506, 85568), (1528, 84336), (1757, 73344), (2008, 64176), (2292, 56224), (2674, 48192), (2688, 47941), (3012, 42784), (3056, 42168), (3514, 36672), (4011, 32128), (4016, 32088), (4584, 28112), (5271, 24448), (5348, 24096), (6024, 21392), (6112, 21084), (7028, 18336), (8022, 16064), (8032, 16044), (9168, 14056), (10542, 12224), (10696, 12048)]