256530384

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2281}}^1$

素因数の和:2377

約数の個数: 120

約数和(自身を含む): 794574144

約数和(自身を除く): 538043760

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 33, 36, 44, 48, 66, 71, 72, 88, 99, 132, 142, 144, 176, 198, 213, 264, 284, 396, 426, 528, 568, 639, 781, 792, 852, 1136, 1278, 1562, 1584, 1704, 2281, 2343, 2556, 3124, 3408, 4562, 4686, 5112, 6248, 6843, 7029, 9124, 9372, 10224, 12496, 13686, 14058, 18248, 18744, 20529, 25091, 27372, 28116, 36496, 37488, 41058, 50182, 54744, 56232, 75273, 82116, 100364, 109488, 112464, 150546, 161951, 164232, 200728, 225819, 301092, 323902, 328464, 401456, 451638, 485853, 602184, 647804, 903276, 971706, 1204368, 1295608, 1457559, 1781461, 1806552, 1943412, 2591216, 2915118, 3562922, 3613104, 3886824, 5344383, 5830236, 7125844, 7773648, 10688766, 11660472, 14251688, 16033149, 21377532, 23320944, 28503376, 32066298, 42755064, 64132596, 85510128, 128265192, 256530384]

約数ペア:

[(1, 256530384), (2, 128265192), (3, 85510128), (4, 64132596), (6, 42755064), (8, 32066298), (9, 28503376), (11, 23320944), (12, 21377532), (16, 16033149), (18, 14251688), (22, 11660472), (24, 10688766), (33, 7773648), (36, 7125844), (44, 5830236), (48, 5344383), (66, 3886824), (71, 3613104), (72, 3562922), (88, 2915118), (99, 2591216), (132, 1943412), (142, 1806552), (144, 1781461), (176, 1457559), (198, 1295608), (213, 1204368), (264, 971706), (284, 903276), (396, 647804), (426, 602184), (528, 485853), (568, 451638), (639, 401456), (781, 328464), (792, 323902), (852, 301092), (1136, 225819), (1278, 200728), (1562, 164232), (1584, 161951), (1704, 150546), (2281, 112464), (2343, 109488), (2556, 100364), (3124, 82116), (3408, 75273), (4562, 56232), (4686, 54744), (5112, 50182), (6248, 41058), (6843, 37488), (7029, 36496), (9124, 28116), (9372, 27372), (10224, 25091), (12496, 20529), (13686, 18744), (14058, 18248)]