137747920

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1741}}^1$

素因数の和:1820

約数の個数: 80

約数和(自身を含む): 342156672

約数和(自身を除く): 204408752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 43, 46, 80, 86, 92, 115, 172, 184, 215, 230, 344, 368, 430, 460, 688, 860, 920, 989, 1720, 1741, 1840, 1978, 3440, 3482, 3956, 4945, 6964, 7912, 8705, 9890, 13928, 15824, 17410, 19780, 27856, 34820, 39560, 40043, 69640, 74863, 79120, 80086, 139280, 149726, 160172, 200215, 299452, 320344, 374315, 400430, 598904, 640688, 748630, 800860, 1197808, 1497260, 1601720, 1721849, 2994520, 3203440, 3443698, 5989040, 6887396, 8609245, 13774792, 17218490, 27549584, 34436980, 68873960, 137747920]

約数ペア:

[(1, 137747920), (2, 68873960), (4, 34436980), (5, 27549584), (8, 17218490), (10, 13774792), (16, 8609245), (20, 6887396), (23, 5989040), (40, 3443698), (43, 3203440), (46, 2994520), (80, 1721849), (86, 1601720), (92, 1497260), (115, 1197808), (172, 800860), (184, 748630), (215, 640688), (230, 598904), (344, 400430), (368, 374315), (430, 320344), (460, 299452), (688, 200215), (860, 160172), (920, 149726), (989, 139280), (1720, 80086), (1741, 79120), (1840, 74863), (1978, 69640), (3440, 40043), (3482, 39560), (3956, 34820), (4945, 27856), (6964, 19780), (7912, 17410), (8705, 15824), (9890, 13928)]