64810008640

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{1637}}^1$

素因数の和:2005

約数の個数: 224

約数和(自身を含む): 172225557504

約数和(自身を除く): 107415548864

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 130, 155, 160, 208, 248, 260, 307, 310, 320, 403, 416, 496, 520, 614, 620, 806, 832, 992, 1040, 1228, 1240, 1535, 1612, 1637, 1984, 2015, 2080, 2456, 2480, 3070, 3224, 3274, 3991, 4030, 4160, 4912, 4960, 6140, 6448, 6548, 7982, 8060, 8185, 9517, 9824, 9920, 12280, 12896, 13096, 15964, 16120, 16370, 19034, 19648, 19955, 21281, 24560, 25792, 26192, 31928, 32240, 32740, 38068, 39910, 42562, 47585, 49120, 50747, 52384, 63856, 64480, 65480, 76136, 79820, 85124, 95170, 98240, 101494, 104768, 106405, 123721, 127712, 128960, 130960, 152272, 159640, 170248, 190340, 202988, 212810, 247442, 253735, 255424, 261920, 304544, 319280, 340496, 380680, 405976, 425620, 494884, 502559, 507470, 523840, 609088, 618605, 638560, 659711, 680992, 761360, 811952, 851240, 989768, 1005118, 1014940, 1237210, 1277120, 1319422, 1361984, 1522720, 1623904, 1702480, 1979536, 2010236, 2029880, 2474420, 2512795, 2638844, 3045440, 3247808, 3298555, 3404960, 3959072, 4020472, 4059760, 4948840, 5025590, 5277688, 6533267, 6597110, 6809920, 7918144, 8040944, 8119520, 9897680, 10051180, 10555376, 13066534, 13194220, 15579329, 16081888, 16239040, 19795360, 20102360, 21110752, 26133068, 26388440, 31158658, 32163776, 32666335, 39590720, 40204720, 42221504, 52266136, 52776880, 62317316, 65332670, 77896645, 80409440, 104532272, 105553760, 124634632, 130665340, 155793290, 160818880, 202531277, 209064544, 211107520, 249269264, 261330680, 311586580, 405062554, 418129088, 498538528, 522661360, 623173160, 810125108, 997077056, 1012656385, 1045322720, 1246346320, 1620250216, 2025312770, 2090645440, 2492692640, 3240500432, 4050625540, 4985385280, 6481000864, 8101251080, 12962001728, 16202502160, 32405004320, 64810008640]

約数ペア:

[(1, 64810008640), (2, 32405004320), (4, 16202502160), (5, 12962001728), (8, 8101251080), (10, 6481000864), (13, 4985385280), (16, 4050625540), (20, 3240500432), (26, 2492692640), (31, 2090645440), (32, 2025312770), (40, 1620250216), (52, 1246346320), (62, 1045322720), (64, 1012656385), (65, 997077056), (80, 810125108), (104, 623173160), (124, 522661360), (130, 498538528), (155, 418129088), (160, 405062554), (208, 311586580), (248, 261330680), (260, 249269264), (307, 211107520), (310, 209064544), (320, 202531277), (403, 160818880), (416, 155793290), (496, 130665340), (520, 124634632), (614, 105553760), (620, 104532272), (806, 80409440), (832, 77896645), (992, 65332670), (1040, 62317316), (1228, 52776880), (1240, 52266136), (1535, 42221504), (1612, 40204720), (1637, 39590720), (1984, 32666335), (2015, 32163776), (2080, 31158658), (2456, 26388440), (2480, 26133068), (3070, 21110752), (3224, 20102360), (3274, 19795360), (3991, 16239040), (4030, 16081888), (4160, 15579329), (4912, 13194220), (4960, 13066534), (6140, 10555376), (6448, 10051180), (6548, 9897680), (7982, 8119520), (8060, 8040944), (8185, 7918144), (9517, 6809920), (9824, 6597110), (9920, 6533267), (12280, 5277688), (12896, 5025590), (13096, 4948840), (15964, 4059760), (16120, 4020472), (16370, 3959072), (19034, 3404960), (19648, 3298555), (19955, 3247808), (21281, 3045440), (24560, 2638844), (25792, 2512795), (26192, 2474420), (31928, 2029880), (32240, 2010236), (32740, 1979536), (38068, 1702480), (39910, 1623904), (42562, 1522720), (47585, 1361984), (49120, 1319422), (50747, 1277120), (52384, 1237210), (63856, 1014940), (64480, 1005118), (65480, 989768), (76136, 851240), (79820, 811952), (85124, 761360), (95170, 680992), (98240, 659711), (101494, 638560), (104768, 618605), (106405, 609088), (123721, 523840), (127712, 507470), (128960, 502559), (130960, 494884), (152272, 425620), (159640, 405976), (170248, 380680), (190340, 340496), (202988, 319280), (212810, 304544), (247442, 261920), (253735, 255424)]