15678004280

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{431}}^1\times {\mathrm{2081}}^1$

素因数の和:2565

約数の個数: 128

約数和(自身を含む): 38855116800

約数和(自身を除く): 23177112520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 38, 40, 46, 76, 92, 95, 115, 152, 184, 190, 230, 380, 431, 437, 460, 760, 862, 874, 920, 1724, 1748, 2081, 2155, 2185, 3448, 3496, 4162, 4310, 4370, 8189, 8324, 8620, 8740, 9913, 10405, 16378, 16648, 17240, 17480, 19826, 20810, 32756, 39539, 39652, 40945, 41620, 47863, 49565, 65512, 79078, 79304, 81890, 83240, 95726, 99130, 158156, 163780, 188347, 191452, 197695, 198260, 239315, 316312, 327560, 376694, 382904, 395390, 396520, 478630, 753388, 790780, 896911, 909397, 941735, 957260, 1506776, 1581560, 1793822, 1818794, 1883470, 1914520, 3587644, 3637588, 3766940, 4484555, 4546985, 7175288, 7275176, 7533880, 8969110, 9093970, 17041309, 17938220, 18187940, 20628953, 34082618, 35876440, 36375880, 41257906, 68165236, 82515812, 85206545, 103144765, 136330472, 165031624, 170413090, 206289530, 340826180, 391950107, 412579060, 681652360, 783900214, 825158120, 1567800428, 1959750535, 3135600856, 3919501070, 7839002140, 15678004280]

約数ペア:

[(1, 15678004280), (2, 7839002140), (4, 3919501070), (5, 3135600856), (8, 1959750535), (10, 1567800428), (19, 825158120), (20, 783900214), (23, 681652360), (38, 412579060), (40, 391950107), (46, 340826180), (76, 206289530), (92, 170413090), (95, 165031624), (115, 136330472), (152, 103144765), (184, 85206545), (190, 82515812), (230, 68165236), (380, 41257906), (431, 36375880), (437, 35876440), (460, 34082618), (760, 20628953), (862, 18187940), (874, 17938220), (920, 17041309), (1724, 9093970), (1748, 8969110), (2081, 7533880), (2155, 7275176), (2185, 7175288), (3448, 4546985), (3496, 4484555), (4162, 3766940), (4310, 3637588), (4370, 3587644), (8189, 1914520), (8324, 1883470), (8620, 1818794), (8740, 1793822), (9913, 1581560), (10405, 1506776), (16378, 957260), (16648, 941735), (17240, 909397), (17480, 896911), (19826, 790780), (20810, 753388), (32756, 478630), (39539, 396520), (39652, 395390), (40945, 382904), (41620, 376694), (47863, 327560), (49565, 316312), (65512, 239315), (79078, 198260), (79304, 197695), (81890, 191452), (83240, 188347), (95726, 163780), (99130, 158156)]