247867830

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{419}}^1$

素因数の和:755

約数の個数: 128

約数和(自身を含む): 759628800

約数和(自身を除く): 511760970

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 313, 315, 378, 419, 626, 630, 838, 939, 945, 1257, 1565, 1878, 1890, 2095, 2191, 2514, 2817, 2933, 3130, 3771, 4190, 4382, 4695, 5634, 5866, 6285, 6573, 7542, 8451, 8799, 9390, 10955, 11313, 12570, 13146, 14085, 14665, 16902, 17598, 18855, 19719, 21910, 22626, 26397, 28170, 29330, 32865, 37710, 39438, 42255, 43995, 52794, 56565, 59157, 65730, 79191, 84510, 87990, 98595, 113130, 118314, 131147, 131985, 158382, 197190, 262294, 263970, 295785, 393441, 395955, 591570, 655735, 786882, 791910, 918029, 1180323, 1311470, 1836058, 1967205, 2360646, 2754087, 3540969, 3934410, 4590145, 5508174, 5901615, 7081938, 8262261, 9180290, 11803230, 13770435, 16524522, 17704845, 24786783, 27540870, 35409690, 41311305, 49573566, 82622610, 123933915, 247867830]

約数ペア:

[(1, 247867830), (2, 123933915), (3, 82622610), (5, 49573566), (6, 41311305), (7, 35409690), (9, 27540870), (10, 24786783), (14, 17704845), (15, 16524522), (18, 13770435), (21, 11803230), (27, 9180290), (30, 8262261), (35, 7081938), (42, 5901615), (45, 5508174), (54, 4590145), (63, 3934410), (70, 3540969), (90, 2754087), (105, 2360646), (126, 1967205), (135, 1836058), (189, 1311470), (210, 1180323), (270, 918029), (313, 791910), (315, 786882), (378, 655735), (419, 591570), (626, 395955), (630, 393441), (838, 295785), (939, 263970), (945, 262294), (1257, 197190), (1565, 158382), (1878, 131985), (1890, 131147), (2095, 118314), (2191, 113130), (2514, 98595), (2817, 87990), (2933, 84510), (3130, 79191), (3771, 65730), (4190, 59157), (4382, 56565), (4695, 52794), (5634, 43995), (5866, 42255), (6285, 39438), (6573, 37710), (7542, 32865), (8451, 29330), (8799, 28170), (9390, 26397), (10955, 22626), (11313, 21910), (12570, 19719), (13146, 18855), (14085, 17598), (14665, 16902)]