1280690208

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{635263}}^1$

素因数の和:635286

約数の個数: 72

約数和(自身を含む): 4162249728

約数和(自身を除く): 2881559520

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 2016, 635263, 1270526, 1905789, 2541052, 3811578, 4446841, 5082104, 5717367, 7623156, 8893682, 10164208, 11434734, 13340523, 15246312, 17787364, 20328416, 22869468, 26681046, 30492624, 35574728, 40021569, 45738936, 53362092, 60985248, 71149456, 80043138, 91477872, 106724184, 142298912, 160086276, 182955744, 213448368, 320172552, 426896736, 640345104, 1280690208]

約数ペア:

[(1, 1280690208), (2, 640345104), (3, 426896736), (4, 320172552), (6, 213448368), (7, 182955744), (8, 160086276), (9, 142298912), (12, 106724184), (14, 91477872), (16, 80043138), (18, 71149456), (21, 60985248), (24, 53362092), (28, 45738936), (32, 40021569), (36, 35574728), (42, 30492624), (48, 26681046), (56, 22869468), (63, 20328416), (72, 17787364), (84, 15246312), (96, 13340523), (112, 11434734), (126, 10164208), (144, 8893682), (168, 7623156), (224, 5717367), (252, 5082104), (288, 4446841), (336, 3811578), (504, 2541052), (672, 1905789), (1008, 1270526), (2016, 635263)]