12787770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{431}}^1$

素因数の和:507

約数の個数: 64

約数和(自身を含む): 32845824

約数和(自身を除く): 20058054

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 43, 46, 69, 86, 115, 129, 138, 215, 230, 258, 345, 430, 431, 645, 690, 862, 989, 1290, 1293, 1978, 2155, 2586, 2967, 4310, 4945, 5934, 6465, 9890, 9913, 12930, 14835, 18533, 19826, 29670, 29739, 37066, 49565, 55599, 59478, 92665, 99130, 111198, 148695, 185330, 277995, 297390, 426259, 555990, 852518, 1278777, 2131295, 2557554, 4262590, 6393885, 12787770]

約数ペア:

[(1, 12787770), (2, 6393885), (3, 4262590), (5, 2557554), (6, 2131295), (10, 1278777), (15, 852518), (23, 555990), (30, 426259), (43, 297390), (46, 277995), (69, 185330), (86, 148695), (115, 111198), (129, 99130), (138, 92665), (215, 59478), (230, 55599), (258, 49565), (345, 37066), (430, 29739), (431, 29670), (645, 19826), (690, 18533), (862, 14835), (989, 12930), (1290, 9913), (1293, 9890), (1978, 6465), (2155, 5934), (2586, 4945), (2967, 4310)]