51879060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{587}}^1$

素因数の和:1093

約数の個数: 72

約数和(自身を含む): 157955616

約数和(自身を除く): 106076556

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 491, 587, 982, 1174, 1473, 1761, 1964, 2348, 2455, 2935, 2946, 3522, 4419, 4910, 5283, 5870, 5892, 7044, 7365, 8805, 8838, 9820, 10566, 11740, 14730, 17610, 17676, 21132, 22095, 26415, 29460, 35220, 44190, 52830, 88380, 105660, 288217, 576434, 864651, 1152868, 1441085, 1729302, 2593953, 2882170, 3458604, 4323255, 5187906, 5764340, 8646510, 10375812, 12969765, 17293020, 25939530, 51879060]

約数ペア:

[(1, 51879060), (2, 25939530), (3, 17293020), (4, 12969765), (5, 10375812), (6, 8646510), (9, 5764340), (10, 5187906), (12, 4323255), (15, 3458604), (18, 2882170), (20, 2593953), (30, 1729302), (36, 1441085), (45, 1152868), (60, 864651), (90, 576434), (180, 288217), (491, 105660), (587, 88380), (982, 52830), (1174, 44190), (1473, 35220), (1761, 29460), (1964, 26415), (2348, 22095), (2455, 21132), (2935, 17676), (2946, 17610), (3522, 14730), (4419, 11740), (4910, 10566), (5283, 9820), (5870, 8838), (5892, 8805), (7044, 7365)]