1688440000

素因数分解:

$2^6\times 5^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1$

素因数の和:253

約数の個数: 280

約数和(自身を含む): 4799063808

約数和(自身を除く): 3110623808

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 25, 26, 32, 34, 40, 50, 52, 64, 65, 68, 80, 85, 100, 104, 125, 130, 136, 160, 170, 191, 200, 208, 221, 250, 260, 272, 320, 325, 340, 382, 400, 416, 425, 442, 500, 520, 544, 625, 650, 680, 764, 800, 832, 850, 884, 955, 1000, 1040, 1088, 1105, 1250, 1300, 1360, 1528, 1600, 1625, 1700, 1768, 1910, 2000, 2080, 2125, 2210, 2483, 2500, 2600, 2720, 3056, 3247, 3250, 3400, 3536, 3820, 4000, 4160, 4250, 4420, 4775, 4966, 5000, 5200, 5440, 5525, 6112, 6494, 6500, 6800, 7072, 7640, 8000, 8125, 8500, 8840, 9550, 9932, 10000, 10400, 10625, 11050, 12224, 12415, 12988, 13000, 13600, 14144, 15280, 16235, 16250, 17000, 17680, 19100, 19864, 20000, 20800, 21250, 22100, 23875, 24830, 25976, 26000, 27200, 27625, 30560, 32470, 32500, 34000, 35360, 38200, 39728, 40000, 42211, 42500, 44200, 47750, 49660, 51952, 52000, 55250, 61120, 62075, 64940, 65000, 68000, 70720, 76400, 79456, 81175, 84422, 85000, 88400, 95500, 99320, 103904, 104000, 110500, 119375, 124150, 129880, 130000, 136000, 138125, 152800, 158912, 162350, 168844, 170000, 176800, 191000, 198640, 207808, 211055, 221000, 238750, 248300, 259760, 260000, 276250, 305600, 310375, 324700, 337688, 340000, 353600, 382000, 397280, 405875, 422110, 442000, 477500, 496600, 519520, 520000, 552500, 620750, 649400, 675376, 680000, 764000, 794560, 811750, 844220, 884000, 955000, 993200, 1039040, 1055275, 1105000, 1241500, 1298800, 1350752, 1528000, 1551875, 1623500, 1688440, 1768000, 1910000, 1986400, 2029375, 2110550, 2210000, 2483000, 2597600, 2701504, 3103750, 3247000, 3376880, 3820000, 3972800, 4058750, 4221100, 4420000, 4966000, 5195200, 5276375, 6207500, 6494000, 6753760, 7640000, 8117500, 8442200, 8840000, 9932000, 10552750, 12415000, 12988000, 13507520, 16235000, 16884400, 19864000, 21105500, 24830000, 25976000, 26381875, 32470000, 33768800, 42211000, 49660000, 52763750, 64940000, 67537600, 84422000, 99320000, 105527500, 129880000, 168844000, 211055000, 337688000, 422110000, 844220000, 1688440000]

約数ペア:

[(1, 1688440000), (2, 844220000), (4, 422110000), (5, 337688000), (8, 211055000), (10, 168844000), (13, 129880000), (16, 105527500), (17, 99320000), (20, 84422000), (25, 67537600), (26, 64940000), (32, 52763750), (34, 49660000), (40, 42211000), (50, 33768800), (52, 32470000), (64, 26381875), (65, 25976000), (68, 24830000), (80, 21105500), (85, 19864000), (100, 16884400), (104, 16235000), (125, 13507520), (130, 12988000), (136, 12415000), (160, 10552750), (170, 9932000), (191, 8840000), (200, 8442200), (208, 8117500), (221, 7640000), (250, 6753760), (260, 6494000), (272, 6207500), (320, 5276375), (325, 5195200), (340, 4966000), (382, 4420000), (400, 4221100), (416, 4058750), (425, 3972800), (442, 3820000), (500, 3376880), (520, 3247000), (544, 3103750), (625, 2701504), (650, 2597600), (680, 2483000), (764, 2210000), (800, 2110550), (832, 2029375), (850, 1986400), (884, 1910000), (955, 1768000), (1000, 1688440), (1040, 1623500), (1088, 1551875), (1105, 1528000), (1250, 1350752), (1300, 1298800), (1360, 1241500), (1528, 1105000), (1600, 1055275), (1625, 1039040), (1700, 993200), (1768, 955000), (1910, 884000), (2000, 844220), (2080, 811750), (2125, 794560), (2210, 764000), (2483, 680000), (2500, 675376), (2600, 649400), (2720, 620750), (3056, 552500), (3247, 520000), (3250, 519520), (3400, 496600), (3536, 477500), (3820, 442000), (4000, 422110), (4160, 405875), (4250, 397280), (4420, 382000), (4775, 353600), (4966, 340000), (5000, 337688), (5200, 324700), (5440, 310375), (5525, 305600), (6112, 276250), (6494, 260000), (6500, 259760), (6800, 248300), (7072, 238750), (7640, 221000), (8000, 211055), (8125, 207808), (8500, 198640), (8840, 191000), (9550, 176800), (9932, 170000), (10000, 168844), (10400, 162350), (10625, 158912), (11050, 152800), (12224, 138125), (12415, 136000), (12988, 130000), (13000, 129880), (13600, 124150), (14144, 119375), (15280, 110500), (16235, 104000), (16250, 103904), (17000, 99320), (17680, 95500), (19100, 88400), (19864, 85000), (20000, 84422), (20800, 81175), (21250, 79456), (22100, 76400), (23875, 70720), (24830, 68000), (25976, 65000), (26000, 64940), (27200, 62075), (27625, 61120), (30560, 55250), (32470, 52000), (32500, 51952), (34000, 49660), (35360, 47750), (38200, 44200), (39728, 42500), (40000, 42211)]