261183960

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{941}}^1$

素因数の和:1218

約数の個数: 128

約数和(自身を含む): 874929600

約数和(自身を除く): 613745640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 257, 270, 360, 514, 540, 771, 941, 1028, 1080, 1285, 1542, 1882, 2056, 2313, 2570, 2823, 3084, 3764, 3855, 4626, 4705, 5140, 5646, 6168, 6939, 7528, 7710, 8469, 9252, 9410, 10280, 11292, 11565, 13878, 14115, 15420, 16938, 18504, 18820, 22584, 23130, 25407, 27756, 28230, 30840, 33876, 34695, 37640, 42345, 46260, 50814, 55512, 56460, 67752, 69390, 84690, 92520, 101628, 112920, 127035, 138780, 169380, 203256, 241837, 254070, 277560, 338760, 483674, 508140, 725511, 967348, 1016280, 1209185, 1451022, 1934696, 2176533, 2418370, 2902044, 3627555, 4353066, 4836740, 5804088, 6529599, 7255110, 8706132, 9673480, 10882665, 13059198, 14510220, 17412264, 21765330, 26118396, 29020440, 32647995, 43530660, 52236792, 65295990, 87061320, 130591980, 261183960]

約数ペア:

[(1, 261183960), (2, 130591980), (3, 87061320), (4, 65295990), (5, 52236792), (6, 43530660), (8, 32647995), (9, 29020440), (10, 26118396), (12, 21765330), (15, 17412264), (18, 14510220), (20, 13059198), (24, 10882665), (27, 9673480), (30, 8706132), (36, 7255110), (40, 6529599), (45, 5804088), (54, 4836740), (60, 4353066), (72, 3627555), (90, 2902044), (108, 2418370), (120, 2176533), (135, 1934696), (180, 1451022), (216, 1209185), (257, 1016280), (270, 967348), (360, 725511), (514, 508140), (540, 483674), (771, 338760), (941, 277560), (1028, 254070), (1080, 241837), (1285, 203256), (1542, 169380), (1882, 138780), (2056, 127035), (2313, 112920), (2570, 101628), (2823, 92520), (3084, 84690), (3764, 69390), (3855, 67752), (4626, 56460), (4705, 55512), (5140, 50814), (5646, 46260), (6168, 42345), (6939, 37640), (7528, 34695), (7710, 33876), (8469, 30840), (9252, 28230), (9410, 27756), (10280, 25407), (11292, 23130), (11565, 22584), (13878, 18820), (14115, 18504), (15420, 16938)]