1285611660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{27791}}^1$

素因数の和:28063

約数の個数: 72

約数和(自身を含む): 3915003456

約数和(自身を除く): 2629391796

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 257, 514, 771, 1028, 1285, 1542, 2313, 2570, 3084, 3855, 4626, 5140, 7710, 9252, 11565, 15420, 23130, 27791, 46260, 55582, 83373, 111164, 138955, 166746, 250119, 277910, 333492, 416865, 500238, 555820, 833730, 1000476, 1250595, 1667460, 2501190, 5002380, 7142287, 14284574, 21426861, 28569148, 35711435, 42853722, 64280583, 71422870, 85707444, 107134305, 128561166, 142845740, 214268610, 257122332, 321402915, 428537220, 642805830, 1285611660]

約数ペア:

[(1, 1285611660), (2, 642805830), (3, 428537220), (4, 321402915), (5, 257122332), (6, 214268610), (9, 142845740), (10, 128561166), (12, 107134305), (15, 85707444), (18, 71422870), (20, 64280583), (30, 42853722), (36, 35711435), (45, 28569148), (60, 21426861), (90, 14284574), (180, 7142287), (257, 5002380), (514, 2501190), (771, 1667460), (1028, 1250595), (1285, 1000476), (1542, 833730), (2313, 555820), (2570, 500238), (3084, 416865), (3855, 333492), (4626, 277910), (5140, 250119), (7710, 166746), (9252, 138955), (11565, 111164), (15420, 83373), (23130, 55582), (27791, 46260)]