1520405820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{179717}}^1$

素因数の和:179779

約数の個数: 72

約数和(自身を含む): 4710049344

約数和(自身を除く): 3189643524

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 60, 90, 94, 141, 180, 188, 235, 282, 423, 470, 564, 705, 846, 940, 1410, 1692, 2115, 2820, 4230, 8460, 179717, 359434, 539151, 718868, 898585, 1078302, 1617453, 1797170, 2156604, 2695755, 3234906, 3594340, 5391510, 6469812, 8087265, 8446699, 10783020, 16174530, 16893398, 25340097, 32349060, 33786796, 42233495, 50680194, 76020291, 84466990, 101360388, 126700485, 152040582, 168933980, 253400970, 304081164, 380101455, 506801940, 760202910, 1520405820]

約数ペア:

[(1, 1520405820), (2, 760202910), (3, 506801940), (4, 380101455), (5, 304081164), (6, 253400970), (9, 168933980), (10, 152040582), (12, 126700485), (15, 101360388), (18, 84466990), (20, 76020291), (30, 50680194), (36, 42233495), (45, 33786796), (47, 32349060), (60, 25340097), (90, 16893398), (94, 16174530), (141, 10783020), (180, 8446699), (188, 8087265), (235, 6469812), (282, 5391510), (423, 3594340), (470, 3234906), (564, 2695755), (705, 2156604), (846, 1797170), (940, 1617453), (1410, 1078302), (1692, 898585), (2115, 718868), (2820, 539151), (4230, 359434), (8460, 179717)]