56828340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{643}}^1$

素因数の和:1149

約数の個数: 72

約数和(自身を含む): 172999008

約数和(自身を除く): 116170668

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 491, 643, 982, 1286, 1473, 1929, 1964, 2455, 2572, 2946, 3215, 3858, 4419, 4910, 5787, 5892, 6430, 7365, 7716, 8838, 9645, 9820, 11574, 12860, 14730, 17676, 19290, 22095, 23148, 28935, 29460, 38580, 44190, 57870, 88380, 115740, 315713, 631426, 947139, 1262852, 1578565, 1894278, 2841417, 3157130, 3788556, 4735695, 5682834, 6314260, 9471390, 11365668, 14207085, 18942780, 28414170, 56828340]

約数ペア:

[(1, 56828340), (2, 28414170), (3, 18942780), (4, 14207085), (5, 11365668), (6, 9471390), (9, 6314260), (10, 5682834), (12, 4735695), (15, 3788556), (18, 3157130), (20, 2841417), (30, 1894278), (36, 1578565), (45, 1262852), (60, 947139), (90, 631426), (180, 315713), (491, 115740), (643, 88380), (982, 57870), (1286, 44190), (1473, 38580), (1929, 29460), (1964, 28935), (2455, 23148), (2572, 22095), (2946, 19290), (3215, 17676), (3858, 14730), (4419, 12860), (4910, 11574), (5787, 9820), (5892, 9645), (6430, 8838), (7365, 7716)]