30968120

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{821}}^1$

素因数の和:896

約数の個数: 64

約数和(自身を含む): 74571840

約数和(自身を除く): 43603720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 41, 46, 82, 92, 115, 164, 184, 205, 230, 328, 410, 460, 820, 821, 920, 943, 1640, 1642, 1886, 3284, 3772, 4105, 4715, 6568, 7544, 8210, 9430, 16420, 18860, 18883, 32840, 33661, 37720, 37766, 67322, 75532, 94415, 134644, 151064, 168305, 188830, 269288, 336610, 377660, 673220, 755320, 774203, 1346440, 1548406, 3096812, 3871015, 6193624, 7742030, 15484060, 30968120]

約数ペア:

[(1, 30968120), (2, 15484060), (4, 7742030), (5, 6193624), (8, 3871015), (10, 3096812), (20, 1548406), (23, 1346440), (40, 774203), (41, 755320), (46, 673220), (82, 377660), (92, 336610), (115, 269288), (164, 188830), (184, 168305), (205, 151064), (230, 134644), (328, 94415), (410, 75532), (460, 67322), (820, 37766), (821, 37720), (920, 33661), (943, 32840), (1640, 18883), (1642, 18860), (1886, 16420), (3284, 9430), (3772, 8210), (4105, 7544), (4715, 6568)]