78606540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{1907}}^1$

素因数の和:2151

約数の個数: 72

約数和(自身を含む): 239606640

約数和(自身を除く): 161000100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 229, 458, 687, 916, 1145, 1374, 1907, 2061, 2290, 2748, 3435, 3814, 4122, 4580, 5721, 6870, 7628, 8244, 9535, 10305, 11442, 13740, 17163, 19070, 20610, 22884, 28605, 34326, 38140, 41220, 57210, 68652, 85815, 114420, 171630, 343260, 436703, 873406, 1310109, 1746812, 2183515, 2620218, 3930327, 4367030, 5240436, 6550545, 7860654, 8734060, 13101090, 15721308, 19651635, 26202180, 39303270, 78606540]

約数ペア:

[(1, 78606540), (2, 39303270), (3, 26202180), (4, 19651635), (5, 15721308), (6, 13101090), (9, 8734060), (10, 7860654), (12, 6550545), (15, 5240436), (18, 4367030), (20, 3930327), (30, 2620218), (36, 2183515), (45, 1746812), (60, 1310109), (90, 873406), (180, 436703), (229, 343260), (458, 171630), (687, 114420), (916, 85815), (1145, 68652), (1374, 57210), (1907, 41220), (2061, 38140), (2290, 34326), (2748, 28605), (3435, 22884), (3814, 20610), (4122, 19070), (4580, 17163), (5721, 13740), (6870, 11442), (7628, 10305), (8244, 9535)]