289505280

素因数分解:

$2^{15}\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:88

約数の個数: 256

約数和(自身を含む): 1006617600

約数和(自身を除く): 717112320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 31, 32, 38, 40, 48, 57, 60, 62, 64, 76, 80, 93, 95, 96, 114, 120, 124, 128, 152, 155, 160, 186, 190, 192, 228, 240, 248, 256, 285, 304, 310, 320, 372, 380, 384, 456, 465, 480, 496, 512, 570, 589, 608, 620, 640, 744, 760, 768, 912, 930, 960, 992, 1024, 1140, 1178, 1216, 1240, 1280, 1488, 1520, 1536, 1767, 1824, 1860, 1920, 1984, 2048, 2280, 2356, 2432, 2480, 2560, 2945, 2976, 3040, 3072, 3534, 3648, 3720, 3840, 3968, 4096, 4560, 4712, 4864, 4960, 5120, 5890, 5952, 6080, 6144, 7068, 7296, 7440, 7680, 7936, 8192, 8835, 9120, 9424, 9728, 9920, 10240, 11780, 11904, 12160, 12288, 14136, 14592, 14880, 15360, 15872, 16384, 17670, 18240, 18848, 19456, 19840, 20480, 23560, 23808, 24320, 24576, 28272, 29184, 29760, 30720, 31744, 32768, 35340, 36480, 37696, 38912, 39680, 40960, 47120, 47616, 48640, 49152, 56544, 58368, 59520, 61440, 63488, 70680, 72960, 75392, 77824, 79360, 81920, 94240, 95232, 97280, 98304, 113088, 116736, 119040, 122880, 126976, 141360, 145920, 150784, 155648, 158720, 163840, 188480, 190464, 194560, 226176, 233472, 238080, 245760, 253952, 282720, 291840, 301568, 311296, 317440, 376960, 380928, 389120, 452352, 466944, 476160, 491520, 507904, 565440, 583680, 603136, 622592, 634880, 753920, 761856, 778240, 904704, 933888, 952320, 1015808, 1130880, 1167360, 1206272, 1269760, 1507840, 1523712, 1556480, 1809408, 1867776, 1904640, 2261760, 2334720, 2412544, 2539520, 3015680, 3047424, 3112960, 3618816, 3809280, 4523520, 4669440, 4825088, 5079040, 6031360, 7237632, 7618560, 9047040, 9338880, 9650176, 12062720, 14475264, 15237120, 18094080, 19300352, 24125440, 28950528, 36188160, 48250880, 57901056, 72376320, 96501760, 144752640, 289505280]

約数ペア:

[(1, 289505280), (2, 144752640), (3, 96501760), (4, 72376320), (5, 57901056), (6, 48250880), (8, 36188160), (10, 28950528), (12, 24125440), (15, 19300352), (16, 18094080), (19, 15237120), (20, 14475264), (24, 12062720), (30, 9650176), (31, 9338880), (32, 9047040), (38, 7618560), (40, 7237632), (48, 6031360), (57, 5079040), (60, 4825088), (62, 4669440), (64, 4523520), (76, 3809280), (80, 3618816), (93, 3112960), (95, 3047424), (96, 3015680), (114, 2539520), (120, 2412544), (124, 2334720), (128, 2261760), (152, 1904640), (155, 1867776), (160, 1809408), (186, 1556480), (190, 1523712), (192, 1507840), (228, 1269760), (240, 1206272), (248, 1167360), (256, 1130880), (285, 1015808), (304, 952320), (310, 933888), (320, 904704), (372, 778240), (380, 761856), (384, 753920), (456, 634880), (465, 622592), (480, 603136), (496, 583680), (512, 565440), (570, 507904), (589, 491520), (608, 476160), (620, 466944), (640, 452352), (744, 389120), (760, 380928), (768, 376960), (912, 317440), (930, 311296), (960, 301568), (992, 291840), (1024, 282720), (1140, 253952), (1178, 245760), (1216, 238080), (1240, 233472), (1280, 226176), (1488, 194560), (1520, 190464), (1536, 188480), (1767, 163840), (1824, 158720), (1860, 155648), (1920, 150784), (1984, 145920), (2048, 141360), (2280, 126976), (2356, 122880), (2432, 119040), (2480, 116736), (2560, 113088), (2945, 98304), (2976, 97280), (3040, 95232), (3072, 94240), (3534, 81920), (3648, 79360), (3720, 77824), (3840, 75392), (3968, 72960), (4096, 70680), (4560, 63488), (4712, 61440), (4864, 59520), (4960, 58368), (5120, 56544), (5890, 49152), (5952, 48640), (6080, 47616), (6144, 47120), (7068, 40960), (7296, 39680), (7440, 38912), (7680, 37696), (7936, 36480), (8192, 35340), (8835, 32768), (9120, 31744), (9424, 30720), (9728, 29760), (9920, 29184), (10240, 28272), (11780, 24576), (11904, 24320), (12160, 23808), (12288, 23560), (14136, 20480), (14592, 19840), (14880, 19456), (15360, 18848), (15872, 18240), (16384, 17670)]