272080640

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{197}}^1$

素因数の和:314

約数の個数: 144

約数和(自身を含む): 713911968

約数和(自身を除く): 441831328

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 83, 104, 128, 130, 160, 166, 197, 208, 256, 260, 320, 332, 394, 415, 416, 520, 640, 664, 788, 830, 832, 985, 1040, 1079, 1280, 1328, 1576, 1660, 1664, 1970, 2080, 2158, 2561, 2656, 3152, 3320, 3328, 3940, 4160, 4316, 5122, 5312, 5395, 6304, 6640, 7880, 8320, 8632, 10244, 10624, 10790, 12608, 12805, 13280, 15760, 16351, 16640, 17264, 20488, 21248, 21580, 25216, 25610, 26560, 31520, 32702, 34528, 40976, 43160, 50432, 51220, 53120, 63040, 65404, 69056, 81755, 81952, 86320, 102440, 106240, 126080, 130808, 138112, 163510, 163904, 172640, 204880, 212563, 252160, 261616, 276224, 327020, 327808, 345280, 409760, 425126, 523232, 654040, 655616, 690560, 819520, 850252, 1046464, 1062815, 1308080, 1381120, 1639040, 1700504, 2092928, 2125630, 2616160, 3278080, 3401008, 4185856, 4251260, 5232320, 6802016, 8502520, 10464640, 13604032, 17005040, 20929280, 27208064, 34010080, 54416128, 68020160, 136040320, 272080640]

約数ペア:

[(1, 272080640), (2, 136040320), (4, 68020160), (5, 54416128), (8, 34010080), (10, 27208064), (13, 20929280), (16, 17005040), (20, 13604032), (26, 10464640), (32, 8502520), (40, 6802016), (52, 5232320), (64, 4251260), (65, 4185856), (80, 3401008), (83, 3278080), (104, 2616160), (128, 2125630), (130, 2092928), (160, 1700504), (166, 1639040), (197, 1381120), (208, 1308080), (256, 1062815), (260, 1046464), (320, 850252), (332, 819520), (394, 690560), (415, 655616), (416, 654040), (520, 523232), (640, 425126), (664, 409760), (788, 345280), (830, 327808), (832, 327020), (985, 276224), (1040, 261616), (1079, 252160), (1280, 212563), (1328, 204880), (1576, 172640), (1660, 163904), (1664, 163510), (1970, 138112), (2080, 130808), (2158, 126080), (2561, 106240), (2656, 102440), (3152, 86320), (3320, 81952), (3328, 81755), (3940, 69056), (4160, 65404), (4316, 63040), (5122, 53120), (5312, 51220), (5395, 50432), (6304, 43160), (6640, 40976), (7880, 34528), (8320, 32702), (8632, 31520), (10244, 26560), (10624, 25610), (10790, 25216), (12608, 21580), (12805, 21248), (13280, 20488), (15760, 17264), (16351, 16640)]