255454560

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{857}}^1$

素因数の和:907

約数の個数: 240

約数和(自身を含む): 941836896

約数和(自身を除く): 686382336

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 32, 36, 40, 45, 46, 48, 54, 60, 69, 72, 80, 81, 90, 92, 96, 108, 115, 120, 135, 138, 144, 160, 162, 180, 184, 207, 216, 230, 240, 270, 276, 288, 324, 345, 360, 368, 405, 414, 432, 460, 480, 540, 552, 621, 648, 690, 720, 736, 810, 828, 857, 864, 920, 1035, 1080, 1104, 1242, 1296, 1380, 1440, 1620, 1656, 1714, 1840, 1863, 2070, 2160, 2208, 2484, 2571, 2592, 2760, 3105, 3240, 3312, 3428, 3680, 3726, 4140, 4285, 4320, 4968, 5142, 5520, 6210, 6480, 6624, 6856, 7452, 7713, 8280, 8570, 9315, 9936, 10284, 11040, 12420, 12855, 12960, 13712, 14904, 15426, 16560, 17140, 18630, 19711, 19872, 20568, 23139, 24840, 25710, 27424, 29808, 30852, 33120, 34280, 37260, 38565, 39422, 41136, 46278, 49680, 51420, 59133, 59616, 61704, 68560, 69417, 74520, 77130, 78844, 82272, 92556, 98555, 99360, 102840, 115695, 118266, 123408, 137120, 138834, 149040, 154260, 157688, 177399, 185112, 197110, 205680, 231390, 236532, 246816, 277668, 295665, 298080, 308520, 315376, 347085, 354798, 370224, 394220, 411360, 462780, 473064, 532197, 555336, 591330, 617040, 630752, 694170, 709596, 740448, 788440, 886995, 925560, 946128, 1064394, 1110672, 1182660, 1234080, 1388340, 1419192, 1576880, 1596591, 1773990, 1851120, 1892256, 2128788, 2221344, 2365320, 2660985, 2776680, 2838384, 3153760, 3193182, 3547980, 3702240, 4257576, 4730640, 5321970, 5553360, 5676768, 6386364, 7095960, 7982955, 8515152, 9461280, 10643940, 11106720, 12772728, 14191920, 15965910, 17030304, 21287880, 25545456, 28383840, 31931820, 42575760, 51090912, 63863640, 85151520, 127727280, 255454560]

約数ペア:

[(1, 255454560), (2, 127727280), (3, 85151520), (4, 63863640), (5, 51090912), (6, 42575760), (8, 31931820), (9, 28383840), (10, 25545456), (12, 21287880), (15, 17030304), (16, 15965910), (18, 14191920), (20, 12772728), (23, 11106720), (24, 10643940), (27, 9461280), (30, 8515152), (32, 7982955), (36, 7095960), (40, 6386364), (45, 5676768), (46, 5553360), (48, 5321970), (54, 4730640), (60, 4257576), (69, 3702240), (72, 3547980), (80, 3193182), (81, 3153760), (90, 2838384), (92, 2776680), (96, 2660985), (108, 2365320), (115, 2221344), (120, 2128788), (135, 1892256), (138, 1851120), (144, 1773990), (160, 1596591), (162, 1576880), (180, 1419192), (184, 1388340), (207, 1234080), (216, 1182660), (230, 1110672), (240, 1064394), (270, 946128), (276, 925560), (288, 886995), (324, 788440), (345, 740448), (360, 709596), (368, 694170), (405, 630752), (414, 617040), (432, 591330), (460, 555336), (480, 532197), (540, 473064), (552, 462780), (621, 411360), (648, 394220), (690, 370224), (720, 354798), (736, 347085), (810, 315376), (828, 308520), (857, 298080), (864, 295665), (920, 277668), (1035, 246816), (1080, 236532), (1104, 231390), (1242, 205680), (1296, 197110), (1380, 185112), (1440, 177399), (1620, 157688), (1656, 154260), (1714, 149040), (1840, 138834), (1863, 137120), (2070, 123408), (2160, 118266), (2208, 115695), (2484, 102840), (2571, 99360), (2592, 98555), (2760, 92556), (3105, 82272), (3240, 78844), (3312, 77130), (3428, 74520), (3680, 69417), (3726, 68560), (4140, 61704), (4285, 59616), (4320, 59133), (4968, 51420), (5142, 49680), (5520, 46278), (6210, 41136), (6480, 39422), (6624, 38565), (6856, 37260), (7452, 34280), (7713, 33120), (8280, 30852), (8570, 29808), (9315, 27424), (9936, 25710), (10284, 24840), (11040, 23139), (12420, 20568), (12855, 19872), (12960, 19711), (13712, 18630), (14904, 17140), (15426, 16560)]