870825870

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{421}}^1$

素因数の和:647

約数の個数: 128

約数和(自身を含む): 2391828480

約数和(自身を除く): 1521002610

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 47, 54, 90, 94, 135, 141, 163, 235, 270, 282, 326, 421, 423, 470, 489, 705, 815, 842, 846, 978, 1263, 1269, 1410, 1467, 1630, 2105, 2115, 2445, 2526, 2538, 2934, 3789, 4210, 4230, 4401, 4890, 6315, 6345, 7335, 7578, 7661, 8802, 11367, 12630, 12690, 14670, 15322, 18945, 19787, 22005, 22734, 22983, 37890, 38305, 39574, 44010, 45966, 56835, 59361, 68623, 68949, 76610, 98935, 113670, 114915, 118722, 137246, 137898, 178083, 197870, 205869, 206847, 229830, 296805, 343115, 344745, 356166, 411738, 413694, 534249, 593610, 617607, 686230, 689490, 890415, 1029345, 1034235, 1068498, 1235214, 1780830, 1852821, 2058690, 2068470, 2671245, 3088035, 3225281, 3705642, 5342490, 6176070, 6450562, 9264105, 9675843, 16126405, 18528210, 19351686, 29027529, 32252810, 48379215, 58055058, 87082587, 96758430, 145137645, 174165174, 290275290, 435412935, 870825870]

約数ペア:

[(1, 870825870), (2, 435412935), (3, 290275290), (5, 174165174), (6, 145137645), (9, 96758430), (10, 87082587), (15, 58055058), (18, 48379215), (27, 32252810), (30, 29027529), (45, 19351686), (47, 18528210), (54, 16126405), (90, 9675843), (94, 9264105), (135, 6450562), (141, 6176070), (163, 5342490), (235, 3705642), (270, 3225281), (282, 3088035), (326, 2671245), (421, 2068470), (423, 2058690), (470, 1852821), (489, 1780830), (705, 1235214), (815, 1068498), (842, 1034235), (846, 1029345), (978, 890415), (1263, 689490), (1269, 686230), (1410, 617607), (1467, 593610), (1630, 534249), (2105, 413694), (2115, 411738), (2445, 356166), (2526, 344745), (2538, 343115), (2934, 296805), (3789, 229830), (4210, 206847), (4230, 205869), (4401, 197870), (4890, 178083), (6315, 137898), (6345, 137246), (7335, 118722), (7578, 114915), (7661, 113670), (8802, 98935), (11367, 76610), (12630, 68949), (12690, 68623), (14670, 59361), (15322, 56835), (18945, 45966), (19787, 44010), (22005, 39574), (22734, 38305), (22983, 37890)]