280887360

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{317}}^1$

素因数の和:421

約数の個数: 224

約数和(自身を含む): 977018112

約数和(自身を除く): 696130752

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 71, 78, 80, 96, 104, 120, 130, 142, 156, 160, 192, 195, 208, 213, 240, 260, 284, 312, 317, 320, 355, 390, 416, 426, 480, 520, 568, 624, 634, 710, 780, 832, 852, 923, 951, 960, 1040, 1065, 1136, 1248, 1268, 1420, 1560, 1585, 1704, 1846, 1902, 2080, 2130, 2272, 2496, 2536, 2769, 2840, 3120, 3170, 3408, 3692, 3804, 4121, 4160, 4260, 4544, 4615, 4755, 5072, 5538, 5680, 6240, 6340, 6816, 7384, 7608, 8242, 8520, 9230, 9510, 10144, 11076, 11360, 12363, 12480, 12680, 13632, 13845, 14768, 15216, 16484, 17040, 18460, 19020, 20288, 20605, 22152, 22507, 22720, 24726, 25360, 27690, 29536, 30432, 32968, 34080, 36920, 38040, 41210, 44304, 45014, 49452, 50720, 55380, 59072, 60864, 61815, 65936, 67521, 68160, 73840, 76080, 82420, 88608, 90028, 98904, 101440, 110760, 112535, 123630, 131872, 135042, 147680, 152160, 164840, 177216, 180056, 197808, 221520, 225070, 247260, 263744, 270084, 292591, 295360, 304320, 329680, 337605, 360112, 395616, 443040, 450140, 494520, 540168, 585182, 659360, 675210, 720224, 791232, 877773, 886080, 900280, 989040, 1080336, 1170364, 1318720, 1350420, 1440448, 1462955, 1755546, 1800560, 1978080, 2160672, 2340728, 2700840, 2925910, 3511092, 3601120, 3956160, 4321344, 4388865, 4681456, 5401680, 5851820, 7022184, 7202240, 8777730, 9362912, 10803360, 11703640, 14044368, 17555460, 18725824, 21606720, 23407280, 28088736, 35110920, 46814560, 56177472, 70221840, 93629120, 140443680, 280887360]

約数ペア:

[(1, 280887360), (2, 140443680), (3, 93629120), (4, 70221840), (5, 56177472), (6, 46814560), (8, 35110920), (10, 28088736), (12, 23407280), (13, 21606720), (15, 18725824), (16, 17555460), (20, 14044368), (24, 11703640), (26, 10803360), (30, 9362912), (32, 8777730), (39, 7202240), (40, 7022184), (48, 5851820), (52, 5401680), (60, 4681456), (64, 4388865), (65, 4321344), (71, 3956160), (78, 3601120), (80, 3511092), (96, 2925910), (104, 2700840), (120, 2340728), (130, 2160672), (142, 1978080), (156, 1800560), (160, 1755546), (192, 1462955), (195, 1440448), (208, 1350420), (213, 1318720), (240, 1170364), (260, 1080336), (284, 989040), (312, 900280), (317, 886080), (320, 877773), (355, 791232), (390, 720224), (416, 675210), (426, 659360), (480, 585182), (520, 540168), (568, 494520), (624, 450140), (634, 443040), (710, 395616), (780, 360112), (832, 337605), (852, 329680), (923, 304320), (951, 295360), (960, 292591), (1040, 270084), (1065, 263744), (1136, 247260), (1248, 225070), (1268, 221520), (1420, 197808), (1560, 180056), (1585, 177216), (1704, 164840), (1846, 152160), (1902, 147680), (2080, 135042), (2130, 131872), (2272, 123630), (2496, 112535), (2536, 110760), (2769, 101440), (2840, 98904), (3120, 90028), (3170, 88608), (3408, 82420), (3692, 76080), (3804, 73840), (4121, 68160), (4160, 67521), (4260, 65936), (4544, 61815), (4615, 60864), (4755, 59072), (5072, 55380), (5538, 50720), (5680, 49452), (6240, 45014), (6340, 44304), (6816, 41210), (7384, 38040), (7608, 36920), (8242, 34080), (8520, 32968), (9230, 30432), (9510, 29536), (10144, 27690), (11076, 25360), (11360, 24726), (12363, 22720), (12480, 22507), (12680, 22152), (13632, 20605), (13845, 20288), (14768, 19020), (15216, 18460), (16484, 17040)]