684386640

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{541}}^1$

素因数の和:818

約数の個数: 240

約数和(自身を含む): 2642080896

約数和(自身を除く): 1957694256

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 251, 252, 280, 315, 336, 360, 420, 502, 504, 541, 560, 630, 720, 753, 840, 1004, 1008, 1082, 1255, 1260, 1506, 1623, 1680, 1757, 2008, 2164, 2259, 2510, 2520, 2705, 3012, 3246, 3514, 3765, 3787, 4016, 4328, 4518, 4869, 5020, 5040, 5271, 5410, 6024, 6492, 7028, 7530, 7574, 8115, 8656, 8785, 9036, 9738, 10040, 10542, 10820, 11295, 11361, 12048, 12984, 14056, 15060, 15148, 15813, 16230, 17570, 18072, 18935, 19476, 20080, 21084, 21640, 22590, 22722, 24345, 25968, 26355, 28112, 30120, 30296, 31626, 32460, 34083, 35140, 36144, 37870, 38952, 42168, 43280, 45180, 45444, 48690, 52710, 56805, 60240, 60592, 63252, 64920, 68166, 70280, 75740, 77904, 79065, 84336, 90360, 90888, 97380, 105420, 113610, 126504, 129840, 135791, 136332, 140560, 151480, 158130, 170415, 180720, 181776, 194760, 210840, 227220, 253008, 271582, 272664, 302960, 316260, 340830, 389520, 407373, 421680, 454440, 543164, 545328, 632520, 678955, 681660, 814746, 908880, 950537, 1086328, 1222119, 1265040, 1357910, 1363320, 1629492, 1901074, 2036865, 2172656, 2444238, 2715820, 2726640, 2851611, 3258984, 3802148, 4073730, 4752685, 4888476, 5431640, 5703222, 6110595, 6517968, 7604296, 8147460, 8554833, 9505370, 9776952, 10863280, 11406444, 12221190, 14258055, 15208592, 16294920, 17109666, 19010740, 19553904, 22812888, 24442380, 28516110, 32589840, 34219332, 38021480, 42774165, 45625776, 48884760, 57032220, 68438664, 76042960, 85548330, 97769520, 114064440, 136877328, 171096660, 228128880, 342193320, 684386640]

約数ペア:

[(1, 684386640), (2, 342193320), (3, 228128880), (4, 171096660), (5, 136877328), (6, 114064440), (7, 97769520), (8, 85548330), (9, 76042960), (10, 68438664), (12, 57032220), (14, 48884760), (15, 45625776), (16, 42774165), (18, 38021480), (20, 34219332), (21, 32589840), (24, 28516110), (28, 24442380), (30, 22812888), (35, 19553904), (36, 19010740), (40, 17109666), (42, 16294920), (45, 15208592), (48, 14258055), (56, 12221190), (60, 11406444), (63, 10863280), (70, 9776952), (72, 9505370), (80, 8554833), (84, 8147460), (90, 7604296), (105, 6517968), (112, 6110595), (120, 5703222), (126, 5431640), (140, 4888476), (144, 4752685), (168, 4073730), (180, 3802148), (210, 3258984), (240, 2851611), (251, 2726640), (252, 2715820), (280, 2444238), (315, 2172656), (336, 2036865), (360, 1901074), (420, 1629492), (502, 1363320), (504, 1357910), (541, 1265040), (560, 1222119), (630, 1086328), (720, 950537), (753, 908880), (840, 814746), (1004, 681660), (1008, 678955), (1082, 632520), (1255, 545328), (1260, 543164), (1506, 454440), (1623, 421680), (1680, 407373), (1757, 389520), (2008, 340830), (2164, 316260), (2259, 302960), (2510, 272664), (2520, 271582), (2705, 253008), (3012, 227220), (3246, 210840), (3514, 194760), (3765, 181776), (3787, 180720), (4016, 170415), (4328, 158130), (4518, 151480), (4869, 140560), (5020, 136332), (5040, 135791), (5271, 129840), (5410, 126504), (6024, 113610), (6492, 105420), (7028, 97380), (7530, 90888), (7574, 90360), (8115, 84336), (8656, 79065), (8785, 77904), (9036, 75740), (9738, 70280), (10040, 68166), (10542, 64920), (10820, 63252), (11295, 60592), (11361, 60240), (12048, 56805), (12984, 52710), (14056, 48690), (15060, 45444), (15148, 45180), (15813, 43280), (16230, 42168), (17570, 38952), (18072, 37870), (18935, 36144), (19476, 35140), (20080, 34083), (21084, 32460), (21640, 31626), (22590, 30296), (22722, 30120), (24345, 28112), (25968, 26355)]