256256880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{859}}^1$

素因数の和:999

約数の個数: 160

約数和(自身を含む): 875301120

約数和(自身を除く): 619044240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 113, 120, 132, 165, 176, 220, 226, 240, 264, 330, 339, 440, 452, 528, 565, 660, 678, 859, 880, 904, 1130, 1243, 1320, 1356, 1695, 1718, 1808, 2260, 2486, 2577, 2640, 2712, 3390, 3436, 3729, 4295, 4520, 4972, 5154, 5424, 6215, 6780, 6872, 7458, 8590, 9040, 9449, 9944, 10308, 12430, 12885, 13560, 13744, 14916, 17180, 18645, 18898, 19888, 20616, 24860, 25770, 27120, 28347, 29832, 34360, 37290, 37796, 41232, 47245, 49720, 51540, 56694, 59664, 68720, 74580, 75592, 94490, 97067, 99440, 103080, 113388, 141735, 149160, 151184, 188980, 194134, 206160, 226776, 283470, 291201, 298320, 377960, 388268, 453552, 485335, 566940, 582402, 755920, 776536, 970670, 1067737, 1133880, 1164804, 1456005, 1553072, 1941340, 2135474, 2267760, 2329608, 2912010, 3203211, 3882680, 4270948, 4659216, 5338685, 5824020, 6406422, 7765360, 8541896, 10677370, 11648040, 12812844, 16016055, 17083792, 21354740, 23296080, 25625688, 32032110, 42709480, 51251376, 64064220, 85418960, 128128440, 256256880]

約数ペア:

[(1, 256256880), (2, 128128440), (3, 85418960), (4, 64064220), (5, 51251376), (6, 42709480), (8, 32032110), (10, 25625688), (11, 23296080), (12, 21354740), (15, 17083792), (16, 16016055), (20, 12812844), (22, 11648040), (24, 10677370), (30, 8541896), (33, 7765360), (40, 6406422), (44, 5824020), (48, 5338685), (55, 4659216), (60, 4270948), (66, 3882680), (80, 3203211), (88, 2912010), (110, 2329608), (113, 2267760), (120, 2135474), (132, 1941340), (165, 1553072), (176, 1456005), (220, 1164804), (226, 1133880), (240, 1067737), (264, 970670), (330, 776536), (339, 755920), (440, 582402), (452, 566940), (528, 485335), (565, 453552), (660, 388268), (678, 377960), (859, 298320), (880, 291201), (904, 283470), (1130, 226776), (1243, 206160), (1320, 194134), (1356, 188980), (1695, 151184), (1718, 149160), (1808, 141735), (2260, 113388), (2486, 103080), (2577, 99440), (2640, 97067), (2712, 94490), (3390, 75592), (3436, 74580), (3729, 68720), (4295, 59664), (4520, 56694), (4972, 51540), (5154, 49720), (5424, 47245), (6215, 41232), (6780, 37796), (6872, 37290), (7458, 34360), (8590, 29832), (9040, 28347), (9449, 27120), (9944, 25770), (10308, 24860), (12430, 20616), (12885, 19888), (13560, 18898), (13744, 18645), (14916, 17180)]