643890000

素因数分解:

$2^4\times 3^1\times 5^4\times {\mathrm{13}}^2\times {\mathrm{127}}^1$

素因数の和:184

約数の個数: 300

約数和(自身を含む): 2268473856

約数和(自身を除く): 1624583856

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 30, 39, 40, 48, 50, 52, 60, 65, 75, 78, 80, 100, 104, 120, 125, 127, 130, 150, 156, 169, 195, 200, 208, 240, 250, 254, 260, 300, 312, 325, 338, 375, 381, 390, 400, 500, 507, 508, 520, 600, 624, 625, 635, 650, 676, 750, 762, 780, 845, 975, 1000, 1014, 1016, 1040, 1200, 1250, 1270, 1300, 1352, 1500, 1524, 1560, 1625, 1651, 1690, 1875, 1905, 1950, 2000, 2028, 2032, 2500, 2535, 2540, 2600, 2704, 3000, 3048, 3120, 3175, 3250, 3302, 3380, 3750, 3810, 3900, 4056, 4225, 4875, 4953, 5000, 5070, 5080, 5200, 6000, 6096, 6350, 6500, 6604, 6760, 7500, 7620, 7800, 8112, 8125, 8255, 8450, 9525, 9750, 9906, 10000, 10140, 10160, 12675, 12700, 13000, 13208, 13520, 15000, 15240, 15600, 15875, 16250, 16510, 16900, 19050, 19500, 19812, 20280, 21125, 21463, 24375, 24765, 25350, 25400, 26000, 26416, 30000, 30480, 31750, 32500, 33020, 33800, 38100, 39000, 39624, 40560, 41275, 42250, 42926, 47625, 48750, 49530, 50700, 50800, 63375, 63500, 64389, 65000, 66040, 67600, 76200, 78000, 79248, 79375, 82550, 84500, 85852, 95250, 97500, 99060, 101400, 105625, 107315, 123825, 126750, 127000, 128778, 130000, 132080, 152400, 158750, 165100, 169000, 171704, 190500, 195000, 198120, 202800, 206375, 211250, 214630, 238125, 247650, 253500, 254000, 257556, 316875, 317500, 321945, 330200, 338000, 343408, 381000, 390000, 396240, 412750, 422500, 429260, 476250, 495300, 507000, 515112, 536575, 619125, 633750, 635000, 643890, 660400, 762000, 825500, 845000, 858520, 952500, 990600, 1014000, 1030224, 1031875, 1073150, 1238250, 1267500, 1270000, 1287780, 1609725, 1651000, 1690000, 1717040, 1905000, 1981200, 2063750, 2146300, 2476500, 2535000, 2575560, 2682875, 3095625, 3219450, 3302000, 3810000, 4127500, 4292600, 4953000, 5070000, 5151120, 5365750, 6191250, 6438900, 8048625, 8255000, 8585200, 9906000, 10731500, 12382500, 12877800, 13414375, 16097250, 16510000, 21463000, 24765000, 25755600, 26828750, 32194500, 40243125, 42926000, 49530000, 53657500, 64389000, 80486250, 107315000, 128778000, 160972500, 214630000, 321945000, 643890000]

約数ペア:

[(1, 643890000), (2, 321945000), (3, 214630000), (4, 160972500), (5, 128778000), (6, 107315000), (8, 80486250), (10, 64389000), (12, 53657500), (13, 49530000), (15, 42926000), (16, 40243125), (20, 32194500), (24, 26828750), (25, 25755600), (26, 24765000), (30, 21463000), (39, 16510000), (40, 16097250), (48, 13414375), (50, 12877800), (52, 12382500), (60, 10731500), (65, 9906000), (75, 8585200), (78, 8255000), (80, 8048625), (100, 6438900), (104, 6191250), (120, 5365750), (125, 5151120), (127, 5070000), (130, 4953000), (150, 4292600), (156, 4127500), (169, 3810000), (195, 3302000), (200, 3219450), (208, 3095625), (240, 2682875), (250, 2575560), (254, 2535000), (260, 2476500), (300, 2146300), (312, 2063750), (325, 1981200), (338, 1905000), (375, 1717040), (381, 1690000), (390, 1651000), (400, 1609725), (500, 1287780), (507, 1270000), (508, 1267500), (520, 1238250), (600, 1073150), (624, 1031875), (625, 1030224), (635, 1014000), (650, 990600), (676, 952500), (750, 858520), (762, 845000), (780, 825500), (845, 762000), (975, 660400), (1000, 643890), (1014, 635000), (1016, 633750), (1040, 619125), (1200, 536575), (1250, 515112), (1270, 507000), (1300, 495300), (1352, 476250), (1500, 429260), (1524, 422500), (1560, 412750), (1625, 396240), (1651, 390000), (1690, 381000), (1875, 343408), (1905, 338000), (1950, 330200), (2000, 321945), (2028, 317500), (2032, 316875), (2500, 257556), (2535, 254000), (2540, 253500), (2600, 247650), (2704, 238125), (3000, 214630), (3048, 211250), (3120, 206375), (3175, 202800), (3250, 198120), (3302, 195000), (3380, 190500), (3750, 171704), (3810, 169000), (3900, 165100), (4056, 158750), (4225, 152400), (4875, 132080), (4953, 130000), (5000, 128778), (5070, 127000), (5080, 126750), (5200, 123825), (6000, 107315), (6096, 105625), (6350, 101400), (6500, 99060), (6604, 97500), (6760, 95250), (7500, 85852), (7620, 84500), (7800, 82550), (8112, 79375), (8125, 79248), (8255, 78000), (8450, 76200), (9525, 67600), (9750, 66040), (9906, 65000), (10000, 64389), (10140, 63500), (10160, 63375), (12675, 50800), (12700, 50700), (13000, 49530), (13208, 48750), (13520, 47625), (15000, 42926), (15240, 42250), (15600, 41275), (15875, 40560), (16250, 39624), (16510, 39000), (16900, 38100), (19050, 33800), (19500, 33020), (19812, 32500), (20280, 31750), (21125, 30480), (21463, 30000), (24375, 26416), (24765, 26000), (25350, 25400)]