1640961915

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1\times {\mathrm{233}}^1$

素因数の和:524

約数の個数: 64

約数和(自身を含む): 2757680640

約数和(自身を除く): 1116718725

約数列:

[1, 3, 5, 15, 43, 61, 129, 179, 183, 215, 233, 305, 537, 645, 699, 895, 915, 1165, 2623, 2685, 3495, 7697, 7869, 10019, 10919, 13115, 14213, 23091, 30057, 32757, 38485, 39345, 41707, 42639, 50095, 54595, 71065, 115455, 125121, 150285, 163785, 208535, 213195, 469517, 611159, 625605, 1408551, 1793401, 1833477, 2347585, 2544127, 3055795, 5380203, 7042755, 7632381, 8967005, 9167385, 12720635, 26901015, 38161905, 109397461, 328192383, 546987305, 1640961915]

約数ペア:

[(1, 1640961915), (3, 546987305), (5, 328192383), (15, 109397461), (43, 38161905), (61, 26901015), (129, 12720635), (179, 9167385), (183, 8967005), (215, 7632381), (233, 7042755), (305, 5380203), (537, 3055795), (645, 2544127), (699, 2347585), (895, 1833477), (915, 1793401), (1165, 1408551), (2623, 625605), (2685, 611159), (3495, 469517), (7697, 213195), (7869, 208535), (10019, 163785), (10919, 150285), (13115, 125121), (14213, 115455), (23091, 71065), (30057, 54595), (32757, 50095), (38485, 42639), (39345, 41707)]