646764631920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1991761}}^1$

素因数の和:1991832

約数の個数: 240

約数和(自身を含む): 2427304580064

約数和(自身を除く): 1780539948144

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 41, 44, 45, 48, 55, 60, 66, 72, 80, 82, 88, 90, 99, 110, 120, 123, 132, 144, 164, 165, 176, 180, 198, 205, 220, 240, 246, 264, 328, 330, 360, 369, 396, 410, 440, 451, 492, 495, 528, 615, 656, 660, 720, 738, 792, 820, 880, 902, 984, 990, 1230, 1320, 1353, 1476, 1584, 1640, 1804, 1845, 1968, 1980, 2255, 2460, 2640, 2706, 2952, 3280, 3608, 3690, 3960, 4059, 4510, 4920, 5412, 5904, 6765, 7216, 7380, 7920, 8118, 9020, 9840, 10824, 13530, 14760, 16236, 18040, 20295, 21648, 27060, 29520, 32472, 36080, 40590, 54120, 64944, 81180, 108240, 162360, 324720, 1991761, 3983522, 5975283, 7967044, 9958805, 11950566, 15934088, 17925849, 19917610, 21909371, 23901132, 29876415, 31868176, 35851698, 39835220, 43818742, 47802264, 59752830, 65728113, 71703396, 79670440, 81662201, 87637484, 89629245, 95604528, 109546855, 119505660, 131456226, 143406792, 159340880, 163324402, 175274968, 179258490, 197184339, 219093710, 239011320, 244986603, 262912452, 286813584, 326648804, 328640565, 350549936, 358516980, 394368678, 408311005, 438187420, 478022640, 489973206, 525824904, 653297608, 657281130, 717033960, 734959809, 788737356, 816622010, 876374840, 898284211, 979946412, 985921695, 1051649808, 1224933015, 1306595216, 1314562260, 1434067920, 1469919618, 1577474712, 1633244020, 1752749680, 1796568422, 1959892824, 1971843390, 2449866030, 2629124520, 2694852633, 2939839236, 3154949424, 3266488040, 3593136844, 3674799045, 3919785648, 3943686780, 4491421055, 4899732060, 5258249040, 5389705266, 5879678472, 6532976080, 7186273688, 7349598090, 7887373560, 8084557899, 8982842110, 9799464120, 10779410532, 11759356944, 13474263165, 14372547376, 14699196180, 15774747120, 16169115798, 17965684220, 19598928240, 21558821064, 26948526330, 29398392360, 32338231596, 35931368440, 40422789495, 43117642128, 53897052660, 58796784720, 64676463192, 71862736880, 80845578990, 107794105320, 129352926384, 161691157980, 215588210640, 323382315960, 646764631920]

約数ペア:

[(1, 646764631920), (2, 323382315960), (3, 215588210640), (4, 161691157980), (5, 129352926384), (6, 107794105320), (8, 80845578990), (9, 71862736880), (10, 64676463192), (11, 58796784720), (12, 53897052660), (15, 43117642128), (16, 40422789495), (18, 35931368440), (20, 32338231596), (22, 29398392360), (24, 26948526330), (30, 21558821064), (33, 19598928240), (36, 17965684220), (40, 16169115798), (41, 15774747120), (44, 14699196180), (45, 14372547376), (48, 13474263165), (55, 11759356944), (60, 10779410532), (66, 9799464120), (72, 8982842110), (80, 8084557899), (82, 7887373560), (88, 7349598090), (90, 7186273688), (99, 6532976080), (110, 5879678472), (120, 5389705266), (123, 5258249040), (132, 4899732060), (144, 4491421055), (164, 3943686780), (165, 3919785648), (176, 3674799045), (180, 3593136844), (198, 3266488040), (205, 3154949424), (220, 2939839236), (240, 2694852633), (246, 2629124520), (264, 2449866030), (328, 1971843390), (330, 1959892824), (360, 1796568422), (369, 1752749680), (396, 1633244020), (410, 1577474712), (440, 1469919618), (451, 1434067920), (492, 1314562260), (495, 1306595216), (528, 1224933015), (615, 1051649808), (656, 985921695), (660, 979946412), (720, 898284211), (738, 876374840), (792, 816622010), (820, 788737356), (880, 734959809), (902, 717033960), (984, 657281130), (990, 653297608), (1230, 525824904), (1320, 489973206), (1353, 478022640), (1476, 438187420), (1584, 408311005), (1640, 394368678), (1804, 358516980), (1845, 350549936), (1968, 328640565), (1980, 326648804), (2255, 286813584), (2460, 262912452), (2640, 244986603), (2706, 239011320), (2952, 219093710), (3280, 197184339), (3608, 179258490), (3690, 175274968), (3960, 163324402), (4059, 159340880), (4510, 143406792), (4920, 131456226), (5412, 119505660), (5904, 109546855), (6765, 95604528), (7216, 89629245), (7380, 87637484), (7920, 81662201), (8118, 79670440), (9020, 71703396), (9840, 65728113), (10824, 59752830), (13530, 47802264), (14760, 43818742), (16236, 39835220), (18040, 35851698), (20295, 31868176), (21648, 29876415), (27060, 23901132), (29520, 21909371), (32472, 19917610), (36080, 17925849), (40590, 15934088), (54120, 11950566), (64944, 9958805), (81180, 7967044), (108240, 5975283), (162360, 3983522), (324720, 1991761)]