12287970

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{641}}^1$

素因数の和:728

約数の個数: 64

約数和(自身を含む): 33281280

約数和(自身を除く): 20993310

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 71, 90, 135, 142, 213, 270, 355, 426, 639, 641, 710, 1065, 1278, 1282, 1917, 1923, 2130, 3195, 3205, 3834, 3846, 5769, 6390, 6410, 9585, 9615, 11538, 17307, 19170, 19230, 28845, 34614, 45511, 57690, 86535, 91022, 136533, 173070, 227555, 273066, 409599, 455110, 682665, 819198, 1228797, 1365330, 2047995, 2457594, 4095990, 6143985, 12287970]

約数ペア:

[(1, 12287970), (2, 6143985), (3, 4095990), (5, 2457594), (6, 2047995), (9, 1365330), (10, 1228797), (15, 819198), (18, 682665), (27, 455110), (30, 409599), (45, 273066), (54, 227555), (71, 173070), (90, 136533), (135, 91022), (142, 86535), (213, 57690), (270, 45511), (355, 34614), (426, 28845), (639, 19230), (641, 19170), (710, 17307), (1065, 11538), (1278, 9615), (1282, 9585), (1917, 6410), (1923, 6390), (2130, 5769), (3195, 3846), (3205, 3834)]