1688510720

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:225

約数の個数: 288

約数和(自身を含む): 4747051008

約数和(自身を除く): 3058540288

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 47, 52, 64, 65, 68, 80, 85, 94, 104, 127, 128, 130, 136, 160, 170, 188, 208, 221, 235, 254, 256, 260, 272, 320, 340, 376, 416, 442, 470, 508, 520, 544, 611, 635, 640, 680, 752, 799, 832, 884, 940, 1016, 1040, 1088, 1105, 1222, 1270, 1280, 1360, 1504, 1598, 1651, 1664, 1768, 1880, 2032, 2080, 2159, 2176, 2210, 2444, 2540, 2720, 3008, 3055, 3196, 3302, 3328, 3536, 3760, 3995, 4064, 4160, 4318, 4352, 4420, 4888, 5080, 5440, 5969, 6016, 6110, 6392, 6604, 7072, 7520, 7990, 8128, 8255, 8320, 8636, 8840, 9776, 10160, 10387, 10795, 10880, 11938, 12032, 12220, 12784, 13208, 14144, 15040, 15980, 16256, 16510, 16640, 17272, 17680, 19552, 20320, 20774, 21590, 21760, 23876, 24440, 25568, 26416, 28067, 28288, 29845, 30080, 31960, 32512, 33020, 34544, 35360, 39104, 40640, 41548, 43180, 47752, 48880, 51136, 51935, 52832, 56134, 56576, 59690, 60160, 63920, 66040, 69088, 70720, 77597, 78208, 81280, 83096, 86360, 95504, 97760, 101473, 102272, 103870, 105664, 112268, 119380, 127840, 132080, 138176, 140335, 141440, 155194, 156416, 162560, 166192, 172720, 191008, 195520, 202946, 204544, 207740, 211328, 224536, 238760, 255680, 264160, 276352, 280670, 282880, 310388, 332384, 345440, 382016, 387985, 391040, 405892, 415480, 422656, 449072, 477520, 507365, 511360, 528320, 552704, 561340, 620776, 664768, 690880, 764032, 775970, 782080, 811784, 830960, 898144, 955040, 1014730, 1022720, 1056640, 1122680, 1241552, 1319149, 1329536, 1381760, 1528064, 1551940, 1623568, 1661920, 1796288, 1910080, 2029460, 2113280, 2245360, 2483104, 2638298, 2659072, 2763520, 3103880, 3247136, 3323840, 3592576, 3820160, 4058920, 4490720, 4966208, 5276596, 6207760, 6494272, 6595745, 6647680, 7185152, 7640320, 8117840, 8981440, 9932416, 10553192, 12415520, 12988544, 13191490, 13295360, 16235680, 17962880, 19864832, 21106384, 24831040, 25977088, 26382980, 32471360, 35925760, 42212768, 49662080, 52765960, 64942720, 84425536, 99324160, 105531920, 129885440, 168851072, 211063840, 337702144, 422127680, 844255360, 1688510720]

約数ペア:

[(1, 1688510720), (2, 844255360), (4, 422127680), (5, 337702144), (8, 211063840), (10, 168851072), (13, 129885440), (16, 105531920), (17, 99324160), (20, 84425536), (26, 64942720), (32, 52765960), (34, 49662080), (40, 42212768), (47, 35925760), (52, 32471360), (64, 26382980), (65, 25977088), (68, 24831040), (80, 21106384), (85, 19864832), (94, 17962880), (104, 16235680), (127, 13295360), (128, 13191490), (130, 12988544), (136, 12415520), (160, 10553192), (170, 9932416), (188, 8981440), (208, 8117840), (221, 7640320), (235, 7185152), (254, 6647680), (256, 6595745), (260, 6494272), (272, 6207760), (320, 5276596), (340, 4966208), (376, 4490720), (416, 4058920), (442, 3820160), (470, 3592576), (508, 3323840), (520, 3247136), (544, 3103880), (611, 2763520), (635, 2659072), (640, 2638298), (680, 2483104), (752, 2245360), (799, 2113280), (832, 2029460), (884, 1910080), (940, 1796288), (1016, 1661920), (1040, 1623568), (1088, 1551940), (1105, 1528064), (1222, 1381760), (1270, 1329536), (1280, 1319149), (1360, 1241552), (1504, 1122680), (1598, 1056640), (1651, 1022720), (1664, 1014730), (1768, 955040), (1880, 898144), (2032, 830960), (2080, 811784), (2159, 782080), (2176, 775970), (2210, 764032), (2444, 690880), (2540, 664768), (2720, 620776), (3008, 561340), (3055, 552704), (3196, 528320), (3302, 511360), (3328, 507365), (3536, 477520), (3760, 449072), (3995, 422656), (4064, 415480), (4160, 405892), (4318, 391040), (4352, 387985), (4420, 382016), (4888, 345440), (5080, 332384), (5440, 310388), (5969, 282880), (6016, 280670), (6110, 276352), (6392, 264160), (6604, 255680), (7072, 238760), (7520, 224536), (7990, 211328), (8128, 207740), (8255, 204544), (8320, 202946), (8636, 195520), (8840, 191008), (9776, 172720), (10160, 166192), (10387, 162560), (10795, 156416), (10880, 155194), (11938, 141440), (12032, 140335), (12220, 138176), (12784, 132080), (13208, 127840), (14144, 119380), (15040, 112268), (15980, 105664), (16256, 103870), (16510, 102272), (16640, 101473), (17272, 97760), (17680, 95504), (19552, 86360), (20320, 83096), (20774, 81280), (21590, 78208), (21760, 77597), (23876, 70720), (24440, 69088), (25568, 66040), (26416, 63920), (28067, 60160), (28288, 59690), (29845, 56576), (30080, 56134), (31960, 52832), (32512, 51935), (33020, 51136), (34544, 48880), (35360, 47752), (39104, 43180), (40640, 41548)]