12339280

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:284

約数の個数: 80

約数和(自身を含む): 31230144

約数和(自身を除く): 18890864

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 43, 68, 80, 85, 86, 136, 170, 172, 211, 215, 272, 340, 344, 422, 430, 680, 688, 731, 844, 860, 1055, 1360, 1462, 1688, 1720, 2110, 2924, 3376, 3440, 3587, 3655, 4220, 5848, 7174, 7310, 8440, 9073, 11696, 14348, 14620, 16880, 17935, 18146, 28696, 29240, 35870, 36292, 45365, 57392, 58480, 71740, 72584, 90730, 143480, 145168, 154241, 181460, 286960, 308482, 362920, 616964, 725840, 771205, 1233928, 1542410, 2467856, 3084820, 6169640, 12339280]

約数ペア:

[(1, 12339280), (2, 6169640), (4, 3084820), (5, 2467856), (8, 1542410), (10, 1233928), (16, 771205), (17, 725840), (20, 616964), (34, 362920), (40, 308482), (43, 286960), (68, 181460), (80, 154241), (85, 145168), (86, 143480), (136, 90730), (170, 72584), (172, 71740), (211, 58480), (215, 57392), (272, 45365), (340, 36292), (344, 35870), (422, 29240), (430, 28696), (680, 18146), (688, 17935), (731, 16880), (844, 14620), (860, 14348), (1055, 11696), (1360, 9073), (1462, 8440), (1688, 7310), (1720, 7174), (2110, 5848), (2924, 4220), (3376, 3655), (3440, 3587)]