86751560

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{6323}}^1$

素因数の和:6355

約数の個数: 64

約数和(自身を含む): 227664000

約数和(自身を除く): 140912440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1715, 1960, 2744, 3430, 6323, 6860, 12646, 13720, 25292, 31615, 44261, 50584, 63230, 88522, 126460, 177044, 221305, 252920, 309827, 354088, 442610, 619654, 885220, 1239308, 1549135, 1770440, 2168789, 2478616, 3098270, 4337578, 6196540, 8675156, 10843945, 12393080, 17350312, 21687890, 43375780, 86751560]

約数ペア:

[(1, 86751560), (2, 43375780), (4, 21687890), (5, 17350312), (7, 12393080), (8, 10843945), (10, 8675156), (14, 6196540), (20, 4337578), (28, 3098270), (35, 2478616), (40, 2168789), (49, 1770440), (56, 1549135), (70, 1239308), (98, 885220), (140, 619654), (196, 442610), (245, 354088), (280, 309827), (343, 252920), (392, 221305), (490, 177044), (686, 126460), (980, 88522), (1372, 63230), (1715, 50584), (1960, 44261), (2744, 31615), (3430, 25292), (6323, 13720), (6860, 12646)]