2018128920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{191}}^2\times {\mathrm{461}}^1$

素因数の和:857

約数の個数: 96

約数和(自身を含む): 6099453360

約数和(自身を除く): 4081324440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 191, 382, 461, 573, 764, 922, 955, 1146, 1383, 1528, 1844, 1910, 2292, 2305, 2766, 2865, 3688, 3820, 4584, 4610, 5532, 5730, 6915, 7640, 9220, 11064, 11460, 13830, 18440, 22920, 27660, 36481, 55320, 72962, 88051, 109443, 145924, 176102, 182405, 218886, 264153, 291848, 352204, 364810, 437772, 440255, 528306, 547215, 704408, 729620, 875544, 880510, 1056612, 1094430, 1320765, 1459240, 1761020, 2113224, 2188860, 2641530, 3522040, 4377720, 5283060, 10566120, 16817741, 33635482, 50453223, 67270964, 84088705, 100906446, 134541928, 168177410, 201812892, 252266115, 336354820, 403625784, 504532230, 672709640, 1009064460, 2018128920]

約数ペア:

[(1, 2018128920), (2, 1009064460), (3, 672709640), (4, 504532230), (5, 403625784), (6, 336354820), (8, 252266115), (10, 201812892), (12, 168177410), (15, 134541928), (20, 100906446), (24, 84088705), (30, 67270964), (40, 50453223), (60, 33635482), (120, 16817741), (191, 10566120), (382, 5283060), (461, 4377720), (573, 3522040), (764, 2641530), (922, 2188860), (955, 2113224), (1146, 1761020), (1383, 1459240), (1528, 1320765), (1844, 1094430), (1910, 1056612), (2292, 880510), (2305, 875544), (2766, 729620), (2865, 704408), (3688, 547215), (3820, 528306), (4584, 440255), (4610, 437772), (5532, 364810), (5730, 352204), (6915, 291848), (7640, 264153), (9220, 218886), (11064, 182405), (11460, 176102), (13830, 145924), (18440, 109443), (22920, 88051), (27660, 72962), (36481, 55320)]