128331392

素因数分解:

$2^7\times 7^3\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:151

約数の個数: 128

約数和(自身を含む): 310080000

約数和(自身を除く): 181748608

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 37, 49, 56, 64, 74, 79, 98, 112, 128, 148, 158, 196, 224, 259, 296, 316, 343, 392, 448, 518, 553, 592, 632, 686, 784, 896, 1036, 1106, 1184, 1264, 1372, 1568, 1813, 2072, 2212, 2368, 2528, 2744, 2923, 3136, 3626, 3871, 4144, 4424, 4736, 5056, 5488, 5846, 6272, 7252, 7742, 8288, 8848, 10112, 10976, 11692, 12691, 14504, 15484, 16576, 17696, 20461, 21952, 23384, 25382, 27097, 29008, 30968, 33152, 35392, 40922, 43904, 46768, 50764, 54194, 58016, 61936, 70784, 81844, 93536, 101528, 108388, 116032, 123872, 143227, 163688, 187072, 203056, 216776, 232064, 247744, 286454, 327376, 374144, 406112, 433552, 495488, 572908, 654752, 812224, 867104, 1002589, 1145816, 1309504, 1624448, 1734208, 2005178, 2291632, 2619008, 3468416, 4010356, 4583264, 8020712, 9166528, 16041424, 18333056, 32082848, 64165696, 128331392]

約数ペア:

[(1, 128331392), (2, 64165696), (4, 32082848), (7, 18333056), (8, 16041424), (14, 9166528), (16, 8020712), (28, 4583264), (32, 4010356), (37, 3468416), (49, 2619008), (56, 2291632), (64, 2005178), (74, 1734208), (79, 1624448), (98, 1309504), (112, 1145816), (128, 1002589), (148, 867104), (158, 812224), (196, 654752), (224, 572908), (259, 495488), (296, 433552), (316, 406112), (343, 374144), (392, 327376), (448, 286454), (518, 247744), (553, 232064), (592, 216776), (632, 203056), (686, 187072), (784, 163688), (896, 143227), (1036, 123872), (1106, 116032), (1184, 108388), (1264, 101528), (1372, 93536), (1568, 81844), (1813, 70784), (2072, 61936), (2212, 58016), (2368, 54194), (2528, 50764), (2744, 46768), (2923, 43904), (3136, 40922), (3626, 35392), (3871, 33152), (4144, 30968), (4424, 29008), (4736, 27097), (5056, 25382), (5488, 23384), (5846, 21952), (6272, 20461), (7252, 17696), (7742, 16576), (8288, 15484), (8848, 14504), (10112, 12691), (10976, 11692)]