81474555720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{643}}^1\times {\mathrm{1055917}}^1$

素因数の和:1056574

約数の個数: 64

約数和(自身を含む): 244804029120

約数和(自身を除く): 163329473400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 643, 1286, 1929, 2572, 3215, 3858, 5144, 6430, 7716, 9645, 12860, 15432, 19290, 25720, 38580, 77160, 1055917, 2111834, 3167751, 4223668, 5279585, 6335502, 8447336, 10559170, 12671004, 15838755, 21118340, 25342008, 31677510, 42236680, 63355020, 126710040, 678954631, 1357909262, 2036863893, 2715818524, 3394773155, 4073727786, 5431637048, 6789546310, 8147455572, 10184319465, 13579092620, 16294911144, 20368638930, 27158185240, 40737277860, 81474555720]

約数ペア:

[(1, 81474555720), (2, 40737277860), (3, 27158185240), (4, 20368638930), (5, 16294911144), (6, 13579092620), (8, 10184319465), (10, 8147455572), (12, 6789546310), (15, 5431637048), (20, 4073727786), (24, 3394773155), (30, 2715818524), (40, 2036863893), (60, 1357909262), (120, 678954631), (643, 126710040), (1286, 63355020), (1929, 42236680), (2572, 31677510), (3215, 25342008), (3858, 21118340), (5144, 15838755), (6430, 12671004), (7716, 10559170), (9645, 8447336), (12860, 6335502), (15432, 5279585), (19290, 4223668), (25720, 3167751), (38580, 2111834), (77160, 1055917)]