20778844140

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{2381}}^1\times {\mathrm{5387}}^1$

素因数の和:7789

約数の個数: 120

約数和(自身を含む): 65223485712

約数和(自身を除く): 44444641572

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 2381, 4762, 5387, 7143, 9524, 10774, 11905, 14286, 16161, 21429, 21548, 23810, 26935, 28572, 32322, 35715, 42858, 47620, 48483, 53870, 64287, 64644, 71430, 80805, 85716, 96966, 107145, 107740, 128574, 142860, 145449, 161610, 192861, 193932, 214290, 242415, 257148, 290898, 321435, 323220, 385722, 428580, 436347, 484830, 581796, 642870, 727245, 771444, 872694, 964305, 969660, 1285740, 1454490, 1745388, 1928610, 2181735, 2908980, 3857220, 4363470, 8726940, 12826447, 25652894, 38479341, 51305788, 64132235, 76958682, 115438023, 128264470, 153917364, 192396705, 230876046, 256528940, 346314069, 384793410, 461752092, 577190115, 692628138, 769586820, 1038942207, 1154380230, 1385256276, 1731570345, 2077884414, 2308760460, 3463140690, 4155768828, 5194711035, 6926281380, 10389422070, 20778844140]

約数ペア:

[(1, 20778844140), (2, 10389422070), (3, 6926281380), (4, 5194711035), (5, 4155768828), (6, 3463140690), (9, 2308760460), (10, 2077884414), (12, 1731570345), (15, 1385256276), (18, 1154380230), (20, 1038942207), (27, 769586820), (30, 692628138), (36, 577190115), (45, 461752092), (54, 384793410), (60, 346314069), (81, 256528940), (90, 230876046), (108, 192396705), (135, 153917364), (162, 128264470), (180, 115438023), (270, 76958682), (324, 64132235), (405, 51305788), (540, 38479341), (810, 25652894), (1620, 12826447), (2381, 8726940), (4762, 4363470), (5387, 3857220), (7143, 2908980), (9524, 2181735), (10774, 1928610), (11905, 1745388), (14286, 1454490), (16161, 1285740), (21429, 969660), (21548, 964305), (23810, 872694), (26935, 771444), (28572, 727245), (32322, 642870), (35715, 581796), (42858, 484830), (47620, 436347), (48483, 428580), (53870, 385722), (64287, 323220), (64644, 321435), (71430, 290898), (80805, 257148), (85716, 242415), (96966, 214290), (107145, 193932), (107740, 192861), (128574, 161610), (142860, 145449)]