80734920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{431}}^1$

素因数の和:675

約数の個数: 128

約数和(自身を含む): 278691840

約数和(自身を除く): 197956920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 223, 280, 420, 431, 446, 669, 840, 862, 892, 1115, 1293, 1338, 1561, 1724, 1784, 2155, 2230, 2586, 2676, 3017, 3122, 3345, 3448, 4310, 4460, 4683, 5172, 5352, 6034, 6244, 6465, 6690, 7805, 8620, 8920, 9051, 9366, 10344, 12068, 12488, 12930, 13380, 15085, 15610, 17240, 18102, 18732, 23415, 24136, 25860, 26760, 30170, 31220, 36204, 37464, 45255, 46830, 51720, 60340, 62440, 72408, 90510, 93660, 96113, 120680, 181020, 187320, 192226, 288339, 362040, 384452, 480565, 576678, 672791, 768904, 961130, 1153356, 1345582, 1441695, 1922260, 2018373, 2306712, 2691164, 2883390, 3363955, 3844520, 4036746, 5382328, 5766780, 6727910, 8073492, 10091865, 11533560, 13455820, 16146984, 20183730, 26911640, 40367460, 80734920]

約数ペア:

[(1, 80734920), (2, 40367460), (3, 26911640), (4, 20183730), (5, 16146984), (6, 13455820), (7, 11533560), (8, 10091865), (10, 8073492), (12, 6727910), (14, 5766780), (15, 5382328), (20, 4036746), (21, 3844520), (24, 3363955), (28, 2883390), (30, 2691164), (35, 2306712), (40, 2018373), (42, 1922260), (56, 1441695), (60, 1345582), (70, 1153356), (84, 961130), (105, 768904), (120, 672791), (140, 576678), (168, 480565), (210, 384452), (223, 362040), (280, 288339), (420, 192226), (431, 187320), (446, 181020), (669, 120680), (840, 96113), (862, 93660), (892, 90510), (1115, 72408), (1293, 62440), (1338, 60340), (1561, 51720), (1724, 46830), (1784, 45255), (2155, 37464), (2230, 36204), (2586, 31220), (2676, 30170), (3017, 26760), (3122, 25860), (3345, 24136), (3448, 23415), (4310, 18732), (4460, 18102), (4683, 17240), (5172, 15610), (5352, 15085), (6034, 13380), (6244, 12930), (6465, 12488), (6690, 12068), (7805, 10344), (8620, 9366), (8920, 9051)]