638510880

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{619}}^1$

素因数の和:951

約数の個数: 192

約数和(自身を含む): 2309852160

約数和(自身を除く): 1671341280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 307, 336, 420, 480, 560, 614, 619, 672, 840, 921, 1120, 1228, 1238, 1535, 1680, 1842, 1857, 2149, 2456, 2476, 3070, 3095, 3360, 3684, 3714, 4298, 4333, 4605, 4912, 4952, 6140, 6190, 6447, 7368, 7428, 8596, 8666, 9210, 9285, 9824, 9904, 10745, 12280, 12380, 12894, 12999, 14736, 14856, 17192, 17332, 18420, 18570, 19808, 21490, 21665, 24560, 24760, 25788, 25998, 29472, 29712, 32235, 34384, 34664, 36840, 37140, 42980, 43330, 49120, 49520, 51576, 51996, 59424, 64470, 64995, 68768, 69328, 73680, 74280, 85960, 86660, 99040, 103152, 103992, 128940, 129990, 138656, 147360, 148560, 171920, 173320, 190033, 206304, 207984, 257880, 259980, 297120, 343840, 346640, 380066, 415968, 515760, 519960, 570099, 693280, 760132, 950165, 1031520, 1039920, 1140198, 1330231, 1520264, 1900330, 2079840, 2280396, 2660462, 2850495, 3040528, 3800660, 3990693, 4560792, 5320924, 5700990, 6081056, 6651155, 7601320, 7981386, 9121584, 10641848, 11401980, 13302310, 15202640, 15962772, 18243168, 19953465, 21283696, 22803960, 26604620, 30405280, 31925544, 39906930, 42567392, 45607920, 53209240, 63851088, 79813860, 91215840, 106418480, 127702176, 159627720, 212836960, 319255440, 638510880]

約数ペア:

[(1, 638510880), (2, 319255440), (3, 212836960), (4, 159627720), (5, 127702176), (6, 106418480), (7, 91215840), (8, 79813860), (10, 63851088), (12, 53209240), (14, 45607920), (15, 42567392), (16, 39906930), (20, 31925544), (21, 30405280), (24, 26604620), (28, 22803960), (30, 21283696), (32, 19953465), (35, 18243168), (40, 15962772), (42, 15202640), (48, 13302310), (56, 11401980), (60, 10641848), (70, 9121584), (80, 7981386), (84, 7601320), (96, 6651155), (105, 6081056), (112, 5700990), (120, 5320924), (140, 4560792), (160, 3990693), (168, 3800660), (210, 3040528), (224, 2850495), (240, 2660462), (280, 2280396), (307, 2079840), (336, 1900330), (420, 1520264), (480, 1330231), (560, 1140198), (614, 1039920), (619, 1031520), (672, 950165), (840, 760132), (921, 693280), (1120, 570099), (1228, 519960), (1238, 515760), (1535, 415968), (1680, 380066), (1842, 346640), (1857, 343840), (2149, 297120), (2456, 259980), (2476, 257880), (3070, 207984), (3095, 206304), (3360, 190033), (3684, 173320), (3714, 171920), (4298, 148560), (4333, 147360), (4605, 138656), (4912, 129990), (4952, 128940), (6140, 103992), (6190, 103152), (6447, 99040), (7368, 86660), (7428, 85960), (8596, 74280), (8666, 73680), (9210, 69328), (9285, 68768), (9824, 64995), (9904, 64470), (10745, 59424), (12280, 51996), (12380, 51576), (12894, 49520), (12999, 49120), (14736, 43330), (14856, 42980), (17192, 37140), (17332, 36840), (18420, 34664), (18570, 34384), (19808, 32235), (21490, 29712), (21665, 29472), (24560, 25998), (24760, 25788)]