78880248

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{109}}^1$

素因数の和:186

約数の個数: 144

約数和(自身を含む): 237237000

約数和(自身を除く): 158356752

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 23, 24, 36, 38, 46, 57, 69, 72, 76, 92, 109, 114, 138, 152, 171, 184, 207, 218, 228, 276, 327, 342, 414, 436, 437, 456, 529, 552, 654, 684, 828, 872, 874, 981, 1058, 1308, 1311, 1368, 1587, 1656, 1748, 1962, 2071, 2116, 2507, 2616, 2622, 3174, 3496, 3924, 3933, 4142, 4232, 4761, 5014, 5244, 6213, 6348, 7521, 7848, 7866, 8284, 9522, 10028, 10051, 10488, 12426, 12696, 15042, 15732, 16568, 18639, 19044, 20056, 20102, 22563, 24852, 30084, 30153, 31464, 37278, 38088, 40204, 45126, 47633, 49704, 57661, 60168, 60306, 74556, 80408, 90252, 90459, 95266, 115322, 120612, 142899, 149112, 172983, 180504, 180918, 190532, 230644, 241224, 285798, 345966, 361836, 381064, 428697, 461288, 518949, 571596, 691932, 723672, 857394, 1037898, 1095559, 1143192, 1383864, 1714788, 2075796, 2191118, 3286677, 3429576, 4151592, 4382236, 6573354, 8764472, 9860031, 13146708, 19720062, 26293416, 39440124, 78880248]

約数ペア:

[(1, 78880248), (2, 39440124), (3, 26293416), (4, 19720062), (6, 13146708), (8, 9860031), (9, 8764472), (12, 6573354), (18, 4382236), (19, 4151592), (23, 3429576), (24, 3286677), (36, 2191118), (38, 2075796), (46, 1714788), (57, 1383864), (69, 1143192), (72, 1095559), (76, 1037898), (92, 857394), (109, 723672), (114, 691932), (138, 571596), (152, 518949), (171, 461288), (184, 428697), (207, 381064), (218, 361836), (228, 345966), (276, 285798), (327, 241224), (342, 230644), (414, 190532), (436, 180918), (437, 180504), (456, 172983), (529, 149112), (552, 142899), (654, 120612), (684, 115322), (828, 95266), (872, 90459), (874, 90252), (981, 80408), (1058, 74556), (1308, 60306), (1311, 60168), (1368, 57661), (1587, 49704), (1656, 47633), (1748, 45126), (1962, 40204), (2071, 38088), (2116, 37278), (2507, 31464), (2616, 30153), (2622, 30084), (3174, 24852), (3496, 22563), (3924, 20102), (3933, 20056), (4142, 19044), (4232, 18639), (4761, 16568), (5014, 15732), (5244, 15042), (6213, 12696), (6348, 12426), (7521, 10488), (7848, 10051), (7866, 10028), (8284, 9522)]