80273480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{191}}^1$

素因数の和:307

約数の個数: 128

約数和(自身を含む): 221184000

約数和(自身を除く): 140910520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 79, 95, 133, 140, 152, 158, 190, 191, 266, 280, 316, 380, 382, 395, 532, 553, 632, 665, 760, 764, 790, 955, 1064, 1106, 1330, 1337, 1501, 1528, 1580, 1910, 2212, 2660, 2674, 2765, 3002, 3160, 3629, 3820, 4424, 5320, 5348, 5530, 6004, 6685, 7258, 7505, 7640, 10507, 10696, 11060, 12008, 13370, 14516, 15010, 15089, 18145, 21014, 22120, 25403, 26740, 29032, 30020, 30178, 36290, 42028, 50806, 52535, 53480, 60040, 60356, 72580, 75445, 84056, 101612, 105070, 105623, 120712, 127015, 145160, 150890, 203224, 210140, 211246, 254030, 286691, 301780, 420280, 422492, 508060, 528115, 573382, 603560, 844984, 1016120, 1056230, 1146764, 1433455, 2006837, 2112460, 2293528, 2866910, 4013674, 4224920, 5733820, 8027348, 10034185, 11467640, 16054696, 20068370, 40136740, 80273480]

約数ペア:

[(1, 80273480), (2, 40136740), (4, 20068370), (5, 16054696), (7, 11467640), (8, 10034185), (10, 8027348), (14, 5733820), (19, 4224920), (20, 4013674), (28, 2866910), (35, 2293528), (38, 2112460), (40, 2006837), (56, 1433455), (70, 1146764), (76, 1056230), (79, 1016120), (95, 844984), (133, 603560), (140, 573382), (152, 528115), (158, 508060), (190, 422492), (191, 420280), (266, 301780), (280, 286691), (316, 254030), (380, 211246), (382, 210140), (395, 203224), (532, 150890), (553, 145160), (632, 127015), (665, 120712), (760, 105623), (764, 105070), (790, 101612), (955, 84056), (1064, 75445), (1106, 72580), (1330, 60356), (1337, 60040), (1501, 53480), (1528, 52535), (1580, 50806), (1910, 42028), (2212, 36290), (2660, 30178), (2674, 30020), (2765, 29032), (3002, 26740), (3160, 25403), (3629, 22120), (3820, 21014), (4424, 18145), (5320, 15089), (5348, 15010), (5530, 14516), (6004, 13370), (6685, 12008), (7258, 11060), (7505, 10696), (7640, 10507)]