2808709120

素因数分解:

$2^{15}\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:152

約数の個数: 256

約数和(自身を含む): 8052940800

約数和(自身を除く): 5244231680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 79, 80, 112, 124, 128, 140, 155, 158, 160, 217, 224, 248, 256, 280, 310, 316, 320, 395, 434, 448, 496, 512, 553, 560, 620, 632, 640, 790, 868, 896, 992, 1024, 1085, 1106, 1120, 1240, 1264, 1280, 1580, 1736, 1792, 1984, 2048, 2170, 2212, 2240, 2449, 2480, 2528, 2560, 2765, 3160, 3472, 3584, 3968, 4096, 4340, 4424, 4480, 4898, 4960, 5056, 5120, 5530, 6320, 6944, 7168, 7936, 8192, 8680, 8848, 8960, 9796, 9920, 10112, 10240, 11060, 12245, 12640, 13888, 14336, 15872, 16384, 17143, 17360, 17696, 17920, 19592, 19840, 20224, 20480, 22120, 24490, 25280, 27776, 28672, 31744, 32768, 34286, 34720, 35392, 35840, 39184, 39680, 40448, 40960, 44240, 48980, 50560, 55552, 57344, 63488, 68572, 69440, 70784, 71680, 78368, 79360, 80896, 81920, 85715, 88480, 97960, 101120, 111104, 114688, 126976, 137144, 138880, 141568, 143360, 156736, 158720, 161792, 163840, 171430, 176960, 195920, 202240, 222208, 229376, 253952, 274288, 277760, 283136, 286720, 313472, 317440, 323584, 342860, 353920, 391840, 404480, 444416, 507904, 548576, 555520, 566272, 573440, 626944, 634880, 647168, 685720, 707840, 783680, 808960, 888832, 1015808, 1097152, 1111040, 1132544, 1146880, 1253888, 1269760, 1294336, 1371440, 1415680, 1567360, 1617920, 1777664, 2194304, 2222080, 2265088, 2507776, 2539520, 2588672, 2742880, 2831360, 3134720, 3235840, 3555328, 4388608, 4444160, 4530176, 5015552, 5079040, 5485760, 5662720, 6269440, 6471680, 7110656, 8777216, 8888320, 9060352, 10031104, 10971520, 11325440, 12538880, 12943360, 17554432, 17776640, 18120704, 20062208, 21943040, 22650880, 25077760, 35108864, 35553280, 40124416, 43886080, 45301760, 50155520, 70217728, 80248832, 87772160, 90603520, 100311040, 140435456, 175544320, 200622080, 280870912, 351088640, 401244160, 561741824, 702177280, 1404354560, 2808709120]

約数ペア:

[(1, 2808709120), (2, 1404354560), (4, 702177280), (5, 561741824), (7, 401244160), (8, 351088640), (10, 280870912), (14, 200622080), (16, 175544320), (20, 140435456), (28, 100311040), (31, 90603520), (32, 87772160), (35, 80248832), (40, 70217728), (56, 50155520), (62, 45301760), (64, 43886080), (70, 40124416), (79, 35553280), (80, 35108864), (112, 25077760), (124, 22650880), (128, 21943040), (140, 20062208), (155, 18120704), (158, 17776640), (160, 17554432), (217, 12943360), (224, 12538880), (248, 11325440), (256, 10971520), (280, 10031104), (310, 9060352), (316, 8888320), (320, 8777216), (395, 7110656), (434, 6471680), (448, 6269440), (496, 5662720), (512, 5485760), (553, 5079040), (560, 5015552), (620, 4530176), (632, 4444160), (640, 4388608), (790, 3555328), (868, 3235840), (896, 3134720), (992, 2831360), (1024, 2742880), (1085, 2588672), (1106, 2539520), (1120, 2507776), (1240, 2265088), (1264, 2222080), (1280, 2194304), (1580, 1777664), (1736, 1617920), (1792, 1567360), (1984, 1415680), (2048, 1371440), (2170, 1294336), (2212, 1269760), (2240, 1253888), (2449, 1146880), (2480, 1132544), (2528, 1111040), (2560, 1097152), (2765, 1015808), (3160, 888832), (3472, 808960), (3584, 783680), (3968, 707840), (4096, 685720), (4340, 647168), (4424, 634880), (4480, 626944), (4898, 573440), (4960, 566272), (5056, 555520), (5120, 548576), (5530, 507904), (6320, 444416), (6944, 404480), (7168, 391840), (7936, 353920), (8192, 342860), (8680, 323584), (8848, 317440), (8960, 313472), (9796, 286720), (9920, 283136), (10112, 277760), (10240, 274288), (11060, 253952), (12245, 229376), (12640, 222208), (13888, 202240), (14336, 195920), (15872, 176960), (16384, 171430), (17143, 163840), (17360, 161792), (17696, 158720), (17920, 156736), (19592, 143360), (19840, 141568), (20224, 138880), (20480, 137144), (22120, 126976), (24490, 114688), (25280, 111104), (27776, 101120), (28672, 97960), (31744, 88480), (32768, 85715), (34286, 81920), (34720, 80896), (35392, 79360), (35840, 78368), (39184, 71680), (39680, 70784), (40448, 69440), (40960, 68572), (44240, 63488), (48980, 57344), (50560, 55552)]