181036280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{1759}}^1$

素因数の和:1884

約数の個数: 64

約数和(自身を含む): 425779200

約数和(自身を除く): 244742920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 83, 124, 155, 166, 248, 310, 332, 415, 620, 664, 830, 1240, 1660, 1759, 2573, 3320, 3518, 5146, 7036, 8795, 10292, 12865, 14072, 17590, 20584, 25730, 35180, 51460, 54529, 70360, 102920, 109058, 145997, 218116, 272645, 291994, 436232, 545290, 583988, 729985, 1090580, 1167976, 1459970, 2181160, 2919940, 4525907, 5839880, 9051814, 18103628, 22629535, 36207256, 45259070, 90518140, 181036280]

約数ペア:

[(1, 181036280), (2, 90518140), (4, 45259070), (5, 36207256), (8, 22629535), (10, 18103628), (20, 9051814), (31, 5839880), (40, 4525907), (62, 2919940), (83, 2181160), (124, 1459970), (155, 1167976), (166, 1090580), (248, 729985), (310, 583988), (332, 545290), (415, 436232), (620, 291994), (664, 272645), (830, 218116), (1240, 145997), (1660, 109058), (1759, 102920), (2573, 70360), (3320, 54529), (3518, 51460), (5146, 35180), (7036, 25730), (8795, 20584), (10292, 17590), (12865, 14072)]