247527420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{1427}}^1$

素因数の和:1512

約数の個数: 144

約数和(自身を含む): 820471680

約数和(自身を除く): 572944260

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 59, 60, 70, 84, 98, 105, 118, 140, 147, 177, 196, 210, 236, 245, 294, 295, 354, 413, 420, 490, 588, 590, 708, 735, 826, 885, 980, 1180, 1239, 1427, 1470, 1652, 1770, 2065, 2478, 2854, 2891, 2940, 3540, 4130, 4281, 4956, 5708, 5782, 6195, 7135, 8260, 8562, 8673, 9989, 11564, 12390, 14270, 14455, 17124, 17346, 19978, 21405, 24780, 28540, 28910, 29967, 34692, 39956, 42810, 43365, 49945, 57820, 59934, 69923, 84193, 85620, 86730, 99890, 119868, 139846, 149835, 168386, 173460, 199780, 209769, 252579, 279692, 299670, 336772, 349615, 419538, 420965, 505158, 589351, 599340, 699230, 839076, 841930, 1010316, 1048845, 1178702, 1262895, 1398460, 1683860, 1768053, 2097690, 2357404, 2525790, 2946755, 3536106, 4125457, 4195380, 5051580, 5893510, 7072212, 8250914, 8840265, 11787020, 12376371, 16501828, 17680530, 20627285, 24752742, 35361060, 41254570, 49505484, 61881855, 82509140, 123763710, 247527420]

約数ペア:

[(1, 247527420), (2, 123763710), (3, 82509140), (4, 61881855), (5, 49505484), (6, 41254570), (7, 35361060), (10, 24752742), (12, 20627285), (14, 17680530), (15, 16501828), (20, 12376371), (21, 11787020), (28, 8840265), (30, 8250914), (35, 7072212), (42, 5893510), (49, 5051580), (59, 4195380), (60, 4125457), (70, 3536106), (84, 2946755), (98, 2525790), (105, 2357404), (118, 2097690), (140, 1768053), (147, 1683860), (177, 1398460), (196, 1262895), (210, 1178702), (236, 1048845), (245, 1010316), (294, 841930), (295, 839076), (354, 699230), (413, 599340), (420, 589351), (490, 505158), (588, 420965), (590, 419538), (708, 349615), (735, 336772), (826, 299670), (885, 279692), (980, 252579), (1180, 209769), (1239, 199780), (1427, 173460), (1470, 168386), (1652, 149835), (1770, 139846), (2065, 119868), (2478, 99890), (2854, 86730), (2891, 85620), (2940, 84193), (3540, 69923), (4130, 59934), (4281, 57820), (4956, 49945), (5708, 43365), (5782, 42810), (6195, 39956), (7135, 34692), (8260, 29967), (8562, 28910), (8673, 28540), (9989, 24780), (11564, 21405), (12390, 19978), (14270, 17346), (14455, 17124)]