64742080

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:306

約数の個数: 112

約数和(自身を含む): 168981120

約数和(自身を除く): 104239040

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 79, 80, 104, 130, 158, 160, 197, 208, 260, 316, 320, 394, 395, 416, 520, 632, 788, 790, 832, 985, 1027, 1040, 1264, 1576, 1580, 1970, 2054, 2080, 2528, 2561, 3152, 3160, 3940, 4108, 4160, 5056, 5122, 5135, 6304, 6320, 7880, 8216, 10244, 10270, 12608, 12640, 12805, 15563, 15760, 16432, 20488, 20540, 25280, 25610, 31126, 31520, 32864, 40976, 41080, 51220, 62252, 63040, 65728, 77815, 81952, 82160, 102440, 124504, 155630, 163904, 164320, 202319, 204880, 249008, 311260, 328640, 404638, 409760, 498016, 622520, 809276, 819520, 996032, 1011595, 1245040, 1618552, 2023190, 2490080, 3237104, 4046380, 4980160, 6474208, 8092760, 12948416, 16185520, 32371040, 64742080]

約数ペア:

[(1, 64742080), (2, 32371040), (4, 16185520), (5, 12948416), (8, 8092760), (10, 6474208), (13, 4980160), (16, 4046380), (20, 3237104), (26, 2490080), (32, 2023190), (40, 1618552), (52, 1245040), (64, 1011595), (65, 996032), (79, 819520), (80, 809276), (104, 622520), (130, 498016), (158, 409760), (160, 404638), (197, 328640), (208, 311260), (260, 249008), (316, 204880), (320, 202319), (394, 164320), (395, 163904), (416, 155630), (520, 124504), (632, 102440), (788, 82160), (790, 81952), (832, 77815), (985, 65728), (1027, 63040), (1040, 62252), (1264, 51220), (1576, 41080), (1580, 40976), (1970, 32864), (2054, 31520), (2080, 31126), (2528, 25610), (2561, 25280), (3152, 20540), (3160, 20488), (3940, 16432), (4108, 15760), (4160, 15563), (5056, 12805), (5122, 12640), (5135, 12608), (6304, 10270), (6320, 10244), (7880, 8216)]