78241240

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1$

素因数の和:246

約数の個数: 192

約数和(自身を含む): 236390400

約数和(自身を除く): 158149160

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 19, 20, 22, 28, 35, 38, 40, 44, 49, 55, 56, 70, 76, 77, 88, 95, 98, 110, 133, 140, 152, 154, 190, 191, 196, 209, 220, 245, 266, 280, 308, 380, 382, 385, 392, 418, 440, 490, 532, 539, 616, 665, 760, 764, 770, 836, 931, 955, 980, 1045, 1064, 1078, 1330, 1337, 1463, 1528, 1540, 1672, 1862, 1910, 1960, 2090, 2101, 2156, 2660, 2674, 2695, 2926, 3080, 3629, 3724, 3820, 4180, 4202, 4312, 4655, 5320, 5348, 5390, 5852, 6685, 7258, 7315, 7448, 7640, 8360, 8404, 9310, 9359, 10241, 10505, 10696, 10780, 11704, 13370, 14516, 14630, 14707, 16808, 18145, 18620, 18718, 20482, 21010, 21560, 25403, 26740, 29032, 29260, 29414, 36290, 37240, 37436, 39919, 40964, 42020, 46795, 50806, 51205, 53480, 58520, 58828, 72580, 73535, 74872, 79838, 81928, 84040, 93590, 101612, 102410, 102949, 117656, 127015, 145160, 147070, 159676, 177821, 187180, 199595, 203224, 204820, 205898, 254030, 279433, 294140, 319352, 355642, 374360, 399190, 409640, 411796, 508060, 514745, 558866, 588280, 711284, 798380, 823592, 889105, 1016120, 1029490, 1117732, 1397165, 1422568, 1596760, 1778210, 1956031, 2058980, 2235464, 2794330, 3556420, 3912062, 4117960, 5588660, 7112840, 7824124, 9780155, 11177320, 15648248, 19560310, 39120620, 78241240]

約数ペア:

[(1, 78241240), (2, 39120620), (4, 19560310), (5, 15648248), (7, 11177320), (8, 9780155), (10, 7824124), (11, 7112840), (14, 5588660), (19, 4117960), (20, 3912062), (22, 3556420), (28, 2794330), (35, 2235464), (38, 2058980), (40, 1956031), (44, 1778210), (49, 1596760), (55, 1422568), (56, 1397165), (70, 1117732), (76, 1029490), (77, 1016120), (88, 889105), (95, 823592), (98, 798380), (110, 711284), (133, 588280), (140, 558866), (152, 514745), (154, 508060), (190, 411796), (191, 409640), (196, 399190), (209, 374360), (220, 355642), (245, 319352), (266, 294140), (280, 279433), (308, 254030), (380, 205898), (382, 204820), (385, 203224), (392, 199595), (418, 187180), (440, 177821), (490, 159676), (532, 147070), (539, 145160), (616, 127015), (665, 117656), (760, 102949), (764, 102410), (770, 101612), (836, 93590), (931, 84040), (955, 81928), (980, 79838), (1045, 74872), (1064, 73535), (1078, 72580), (1330, 58828), (1337, 58520), (1463, 53480), (1528, 51205), (1540, 50806), (1672, 46795), (1862, 42020), (1910, 40964), (1960, 39919), (2090, 37436), (2101, 37240), (2156, 36290), (2660, 29414), (2674, 29260), (2695, 29032), (2926, 26740), (3080, 25403), (3629, 21560), (3724, 21010), (3820, 20482), (4180, 18718), (4202, 18620), (4312, 18145), (4655, 16808), (5320, 14707), (5348, 14630), (5390, 14516), (5852, 13370), (6685, 11704), (7258, 10780), (7315, 10696), (7448, 10505), (7640, 10241), (8360, 9359), (8404, 9310)]