642438303920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{245183}}^1\times {\mathrm{4679}}^1$

素因数の和:249882

約数の個数: 80

約数和(自身を含む): 1707422146560

約数和(自身を除く): 1064983842640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 4679, 9358, 18716, 23395, 32753, 37432, 46790, 65506, 74864, 93580, 131012, 163765, 187160, 245183, 262024, 327530, 374320, 490366, 524048, 655060, 980732, 1225915, 1310120, 1716281, 1961464, 2451830, 2620240, 3432562, 3922928, 4903660, 6865124, 8581405, 9807320, 13730248, 17162810, 19614640, 27460496, 34325620, 68651240, 137302480, 1147211257, 2294422514, 4588845028, 5736056285, 8030478799, 9177690056, 11472112570, 16060957598, 18355380112, 22944225140, 32121915196, 40152393995, 45888450280, 64243830392, 80304787990, 91776900560, 128487660784, 160609575980, 321219151960, 642438303920]

約数ペア:

[(1, 642438303920), (2, 321219151960), (4, 160609575980), (5, 128487660784), (7, 91776900560), (8, 80304787990), (10, 64243830392), (14, 45888450280), (16, 40152393995), (20, 32121915196), (28, 22944225140), (35, 18355380112), (40, 16060957598), (56, 11472112570), (70, 9177690056), (80, 8030478799), (112, 5736056285), (140, 4588845028), (280, 2294422514), (560, 1147211257), (4679, 137302480), (9358, 68651240), (18716, 34325620), (23395, 27460496), (32753, 19614640), (37432, 17162810), (46790, 13730248), (65506, 9807320), (74864, 8581405), (93580, 6865124), (131012, 4903660), (163765, 3922928), (187160, 3432562), (245183, 2620240), (262024, 2451830), (327530, 1961464), (374320, 1716281), (490366, 1310120), (524048, 1225915), (655060, 980732)]