642868128

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{318883}}^1$

素因数の和:318906

約数の個数: 72

約数和(自身を含む): 2089327968

約数和(自身を除く): 1446459840

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, 318883, 637766, 956649, 1275532, 1913298, 2232181, 2551064, 2869947, 3826596, 4464362, 5102128, 5739894, 6696543, 7653192, 8928724, 10204256, 11479788, 13393086, 15306384, 17857448, 20089629, 22959576, 26786172, 30612768, 35714896, 40179258, 45919152, 53572344, 71429792, 80358516, 91838304, 107144688, 160717032, 214289376, 321434064, 642868128]

約数ペア:

[(1, 642868128), (2, 321434064), (3, 214289376), (4, 160717032), (6, 107144688), (7, 91838304), (8, 80358516), (9, 71429792), (12, 53572344), (14, 45919152), (16, 40179258), (18, 35714896), (21, 30612768), (24, 26786172), (28, 22959576), (32, 20089629), (36, 17857448), (42, 15306384), (48, 13393086), (56, 11479788), (63, 10204256), (72, 8928724), (84, 7653192), (96, 6696543), (112, 5739894), (126, 5102128), (144, 4464362), (168, 3826596), (224, 2869947), (252, 2551064), (288, 2232181), (336, 1913298), (504, 1275532), (672, 956649), (1008, 637766), (2016, 318883)]